blue


Also found in: Thesaurus, Medical, Financial, Acronyms, Idioms, Encyclopedia, Wikipedia.
Related to blue: blue air, Blue film

blue

a primary color: blue sky
Not to be confused with:
blew – past tense of blow: The wind blew hard at the coast.
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

blue

 (blo͞o)
n.
1. The hue of that portion of the visible spectrum lying between green and indigo, evoked in the human observer by radiant energy with wavelengths of approximately 420 to 490 nanometers; any of a group of colors that may vary in lightness and saturation, whose hue is that of a clear daytime sky; one of the additive or light primaries; one of the psychological primary hues.
2.
a. A pigment or dye imparting this hue.
b. Bluing.
3.
a. An object having this hue.
b. Dress or clothing of this hue: The ushers wore blue.
4.
a. A person who wears a blue uniform.
b. blues A dress blue uniform, especially that of the US Army.
5. often Blue
a. A member of the Union Army in the Civil War.
b. The Union Army.
6. A bluefish.
7. Any of various small blue butterflies of the family Lycaenidae.
8.
a. The sky.
b. The sea.
adj. blu·er, blu·est
1. Of the color blue.
2. Bluish or having parts that are blue or bluish, as the blue spruce and the blue whale.
3. Having a gray or purplish color, as from cold or contusion.
4. Wearing blue.
5. Being a trail, as for skiing, marked with a sign having a blue square, indicating an intermediate level of difficulty.
6. Relating to or being a blue state.
7.
a. Gloomy; depressed. See Synonyms at depressed.
b. Dismal; dreary: a blue day.
8. Puritanical; strict.
9. Aristocratic; patrician.
10. Indecent; risqué: a blue joke; a blue movie.
tr. & intr.v. blued, blu·ing, blues
To make or become blue.
Idioms:
blue in the face
At the point of extreme exasperation: I argued with them until I was blue in the face.
into the blue
At a far distance; into the unknown: spontaneously take a trip into the blue.
out of the blue
1. From an unexpected or unforeseen source: criticism that came out of the blue.
2. At a completely unexpected time: a long-unseen friend who appeared out of the blue.

[Middle English blue, bleu, from Old French bleu, of Germanic origin; see bhel- in Indo-European roots.]

blue′ly adv.
blue′ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

blue

(bluː)
n
1. (Colours) any of a group of colours, such as that of a clear unclouded sky, that have wavelengths in the range 490–445 nanometres. Blue is the complementary colour of yellow and with red and green forms a set of primary colours.
2. (Dyeing) a dye or pigment of any of these colours
3. (Textiles) blue cloth or clothing: dressed in blue.
4. (Education)
a. a sportsperson who represents or has represented Oxford or Cambridge University and has the right to wear the university colour (dark blue for Oxford, light blue for Cambridge): an Oxford blue.
b. the honour of so representing one's university
5. (Government, Politics & Diplomacy) Brit an informal name for Tory
6. (Animals) any of numerous small blue-winged butterflies of the genera Lampides, Polyommatus, etc: family Lycaenidae
7. archaic short for bluestocking
8. slang a policeman
9. (Archery) archery a blue ring on a target, between the red and the black, scoring five points
10. (Billiards & Snooker) a blue ball in snooker, etc
11. (Dyeing) another name for blueing
12. slang Austral and NZ an argument or fight: he had a blue with a taxi driver.
13. (Law) slang Also: bluey Austral and NZ a court summons, esp for a traffic offence
14. informal Austral and NZ a mistake; error
15. out of the blue apparently from nowhere; unexpectedly: the opportunity came out of the blue.
16. into the blue into the unknown or the far distance
adj, bluer or bluest
17. (Colours) of the colour blue
18. (of the flesh) having a purple tinge, as from cold or contusion
19. depressed, moody, or unhappy
20. dismal or depressing: a blue day.
21. indecent, titillating, or pornographic: blue films.
22. (Animals) bluish in colour or having parts or marks that are bluish: a blue fox; a blue whale.
23. rare aristocratic; noble; patrician: a blue family. See blue blood
24. US relating to, supporting, or representing the Democratic Party. Compare red118
vb, blues, blueing, bluing or blued
25. to make, dye, or become blue
26. (Dyeing) (tr) to treat (laundry) with blueing
27. (tr) slang to spend extravagantly or wastefully; squander
[C13: from Old French bleu, of Germanic origin; compare Old Norse blār, Old High German blāo, Middle Dutch blā; related to Latin flāvus yellow]
ˈbluely adv
ˈblueness n

Blue

(bluː) or

Bluey

n
informal Austral a nickname for a person with red hair
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

blue


n.
1. the pure color of a clear sky; the primary color between green and violet in the visible spectrum, an effect of light with a wavelength between 450 and 500 nm.
2. bluing.
3. something having a blue color.
4. a person wearing blue or belonging to a group identified by some blue symbol.
5. (often cap.) a member of the Union army in the American Civil War, or the army itself. Compare gray 1 (def. 11).
7. any of several blue-winged butterflies of the family Lycaenidae.
8. Brit. and Canadian. (often cap.) Tory (def. 1).
9. the blue,
a. the sky.
b. the sea.
c. the remote distance.
adj.
10. of the color blue.
11. (of the skin) discolored by cold, contusion, fear, or vascular collapse.
12. depressed in spirits; dejected; melancholy.
13. holding or offering little hope; dismal; bleak: a blue outlook.
14. adhering to or stemming from rigid moral or religious observance; puritanical.
15. indecent; suggestive or obscene; risqué: a blue joke.
16. marked by blasphemy: The air was blue with oaths.
v.t.
17. to make blue; dye a blue color.
18. to tinge with bluing.
v.i.
19. to become or turn blue.
Idioms:
1. blue in the face, at an extreme point of frustration, irritation, discouragement, etc.: to argue till one is blue in the face.
2. out of the blue, suddenly and unexpectedly.
[1250–1300; Middle English blewe < Anglo-French blew, bl(i)u blue, livid, Old French blo, blau < Germanic *blǣwaz]
blue′ly, adv.
blue′ness, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Blue

 

See Also: COLORS

  1. Blue and delicate as spring sky reflected in an old window —Elizabeth Spencer
  2. (Eyes) blue as chicory in bloom —Ed McBain
  3. (Sky … ) blue as a robin’s egg —Lee Smith
  4. Blue as a brochure sea —William McIlvanney
  5. Blue as a jay bird’s wing —Ellen Glasgow
  6. (Eyes as) blue as a peacock’s neck —Flannery O’Connor
  7. (Sky … ) blue as a staring Northern eye —Elizabeth Enright
  8. Blue as autumn mist —Thomas Hardy
  9. (Eyes as) blue as corn-flowers —Lawrence Durrell
  10. (Sea and sky are a matched set,) blue as delftware —T. Coraghessan Boyle
  11. (Eyes) blue as heaven —Lord Byron

    Other famous poets to link heaven and the color blue include Christina Rossetti with “Saphires shining blue as heaven” and Percy Bysshe Shelley with “Blue as the overhanging heaven.” For everyday usage there’s “Blue as the sky.”

  12. Blue as hyacinths —Richard Ford
  13. Blue as melancholy —Anon
  14. (Sky) blue as the core of a match flame —George Garrett
  15. Blue as the decks of the sea —Dame Edith Sitwell
  16. Blue as the glimpses of sea beyond —John Greenleaf Whittier
  17. Blue as the nose that graduate drunkards wear —Don Marquis
  18. Blue as the sky —American colloquialism, attributed to New England
  19. Blue as with the cold —Israel Zangwill
  20. Blue like a corpse —Nikolai V. Gogol
  21. Blue [of a repelling place] … like the color of the lips of an asthmatic plumber dying of lead poisoning who has put himself out of his misery with cyanide —Gerald Kersh
  22. Blue like the last thundercloud of a tempest dispersed —Alexander Pushkin
  23. Pale blues like old people’s eyes —Edna O’Brien
Similes Dictionary, 1st Edition. © 1988 The Gale Group, Inc. All rights reserved.

blue


Past participle: blued
Gerund: blueing/bluing

Imperative
blue
blue
Present
I blue
you blue
he/she/it blues
we blue
you blue
they blue
Preterite
I blued
you blued
he/she/it blued
we blued
you blued
they blued
Present Continuous
I am blueing/bluing
you are blueing/bluing
he/she/it is blueing/bluing
we are blueing/bluing
you are blueing/bluing
they are blueing/bluing
Present Perfect
I have blued
you have blued
he/she/it has blued
we have blued
you have blued
they have blued
Past Continuous
I was blueing/bluing
you were blueing/bluing
he/she/it was blueing/bluing
we were blueing/bluing
you were blueing/bluing
they were blueing/bluing
Past Perfect
I had blued
you had blued
he/she/it had blued
we had blued
you had blued
they had blued
Future
I will blue
you will blue
he/she/it will blue
we will blue
you will blue
they will blue
Future Perfect
I will have blued
you will have blued
he/she/it will have blued
we will have blued
you will have blued
they will have blued
Future Continuous
I will be blueing/bluing
you will be blueing/bluing
he/she/it will be blueing/bluing
we will be blueing/bluing
you will be blueing/bluing
they will be blueing/bluing
Present Perfect Continuous
I have been blueing/bluing
you have been blueing/bluing
he/she/it has been blueing/bluing
we have been blueing/bluing
you have been blueing/bluing
they have been blueing/bluing
Future Perfect Continuous
I will have been blueing/bluing
you will have been blueing/bluing
he/she/it will have been blueing/bluing
we will have been blueing/bluing
you will have been blueing/bluing
they will have been blueing/bluing
Past Perfect Continuous
I had been blueing/bluing
you had been blueing/bluing
he/she/it had been blueing/bluing
we had been blueing/bluing
you had been blueing/bluing
they had been blueing/bluing
Conditional
I would blue
you would blue
he/she/it would blue
we would blue
you would blue
they would blue
Past Conditional
I would have blued
you would have blued
he/she/it would have blued
we would have blued
you would have blued
they would have blued
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.blue - blue color or pigmentblue - blue color or pigment; resembling the color of the clear sky in the daytime; "he had eyes of bright blue"
azure, cerulean, lazuline, sky-blue, sapphire - a light shade of blue
powder blue - a pale blue color with grey in it
steel blue - a greyish blue color
Prussian blue - a dark greenish-blue color
dark blue, navy blue, navy - a dark shade of blue
cobalt blue, greenish blue, peacock blue, aqua, aquamarine, turquoise - a shade of blue tinged with green
purplish blue, royal blue - a shade of blue tinged with purple
ultramarine - a vivid blue to purple-blue color
2.blue - blue clothing; "she was wearing blue"
article of clothing, clothing, habiliment, wearable, vesture, wear - a covering designed to be worn on a person's body
3.blue - any organization or party whose uniforms or badges are blue; "the Union army was a vast blue"
organization, organisation - a group of people who work together
Union Army - the northern army during the American Civil War
4.blue - the sky as viewed during daylightblue - the sky as viewed during daylight; "he shot an arrow into the blue"
sky - the atmosphere and outer space as viewed from the earth
5.blue - used to whiten laundry or hair or give it a bluish tinge
dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair
6.blue - the sodium salt of amobarbital that is used as a barbiturateblue - the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
amobarbital - a barbiturate with sedative and hypnotic effects; used to relieve insomnia and as an anticonvulsant
7.blue - any of numerous small butterflies of the family Lycaenidae
lycaenid, lycaenid butterfly - any of various butterflies of the family Lycaenidae
genus Lycaena, Lycaena - type genus of the Lycaenidae; small slender butterflies with upper surface of wings usually metallic blue or green or copper
Verb1.blue - turn blue
discolour, discolor, color, colour - change color, often in an undesired manner; "The shirts discolored"
Adj.1.blue - of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky; "October's bright blue weather"- Helen Hunt Jackson; "a blue flame"; "blue haze of tobacco smoke"
chromatic - being or having or characterized by hue
2.blue - used to signify the Union forces in the American Civil War (who wore blue uniforms); "a ragged blue line"
northern - in or characteristic of a region of the United States north of (approximately) the Mason-Dixon line; "Northern liberals"; "northern industry"; "northern cities"
3.blue - filled with melancholy and despondency ; "gloomy at the thought of what he had to face"; "gloomy predictions"; "a gloomy silence"; "took a grim view of the economy"; "the darkening mood"; "lonely and blue in a strange city"; "depressed by the loss of his job"; "a dispirited and resigned expression on her face"; "downcast after his defeat"; "feeling discouraged and downhearted"
dejected - affected or marked by low spirits; "is dejected but trying to look cheerful"
4.blue - characterized by profanity or cursingblue - characterized by profanity or cursing; "foul-mouthed and blasphemous"; "blue language"; "profane words"
dirty - (of behavior or especially language) characterized by obscenity or indecency; "dirty words"; "a dirty old man"; "dirty books and movies"; "boys telling dirty jokes"; "has a dirty mouth"
5.blue - suggestive of sexual impropriety; "a blue movie"; "blue jokes"; "he skips asterisks and gives you the gamy details"; "a juicy scandal"; "a naughty wink"; "naughty words"; "racy anecdotes"; "a risque story"; "spicy gossip"
sexy - marked by or tending to arouse sexual desire or interest; "feeling sexy"; "sexy clothes"; "sexy poses"; "a sexy book"; "sexy jokes"
6.blue - belonging to or characteristic of the nobility or aristocracyblue - belonging to or characteristic of the nobility or aristocracy; "an aristocratic family"; "aristocratic Bostonians"; "aristocratic government"; "a blue family"; "blue blood"; "the blue-blooded aristocracy"; "of gentle blood"; "patrician landholders of the American South"; "aristocratic bearing"; "aristocratic features"; "patrician tastes"
noble - of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times; "of noble birth"
7.blue - morally rigorous and strict; "the puritan work ethic"; "puritanic distaste for alcohol"; "she was anything but puritanical in her behavior"
nonindulgent, strict - characterized by strictness, severity, or restraint
8.blue - causing dejection; "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather"
cheerless, depressing, uncheerful - causing sad feelings of gloom and inadequacy; "the economic outlook is depressing"; "something cheerless about the room"; "a moody and uncheerful person"; "an uncheerful place"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

blue

adjective
1. depressed, low, sad, unhappy, fed up, gloomy, dismal, melancholy, glum, dejected, despondent, downcast, down in the dumps (informal), down in the mouth, low-spirited, down-hearted There's no earthly reason for me to feel so blue.
depressed happy, optimistic, sunny, cheerful, jolly, merry, cheery, genial, elated, chirpy (informal), blithe
2. smutty, dirty, naughty, obscene, indecent, vulgar, lewd, risqué, X-rated (informal), bawdy, near the knuckle (informal) a secret stash of porn mags and blue movies
smutty decent, respectable
plural noun
1. depression, gloom, melancholy, unhappiness, despondency, the hump (Brit. informal), dejection, moodiness, low spirits, the dumps (informal), doldrums, gloominess, glumness Interfering in-laws are the prime sources of the blues.
Related words
adjective cyanic

Shades of blue

aqua, aquamarine, azure, Cambridge blue, cerulean, clear blue, cobalt blue, Copenhagen blue, cyan, duck-egg blue, electric blue, gentian blue, heliotrope, indigo, lapis lazuli, midnight blue, navy blue, Nile blue, Oxford blue, peacock blue, periwinkle, perse, petrol blue, pewter, royal blue, sapphire, saxe blue, sky blue, steel blue, teal, turquoise, ultramarine, Wedgwood blue
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

blue

adjective
3. Tending to cause sadness or low spirits:
4. Bordering on indelicacy or impropriety:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
أَزْرَقأزْرَقالسَّماءُ أو البَحْراللون الأزرقحَزين، كَئيب
син
modrýmodřmodrá barvamodromodrojas
blådeprimereti dårligt humør
blublua
sinine
آبی
sininenalakuloinendemokraattinensini
नीलानीली
plavplava
kék
biru
blá málningblárblár liturdapurhimin-/hafblámi
ピンク青い
파란
caeruleus
bloga nuotaikabrėžinysdepresijafizinio darbo darbininkaskaip perkūnas iš giedro dangaus
zilsdrūmsjūramateriāls zilā krāsānomākts
blauwblauwe
modrýbelasýdiaľkamodrá farba
modermodra
plavplavaплавплава
blå
สีฟ้า
mavimavi boyaefkârlıgökyüzü ya da denizhüzünlü
نیلانیلى
buồnchánchán nảnthất vọngxanh da trời

blue

[bluː]
A. ADJ (bluer (compar) (bluest (superl)))
1.azul; [body, bruise] → amoratado
blue with coldamoratado de frío
once in a blue moonde Pascuas a Ramos
you can shout till you're blue in the facepuedes gritar hasta hartarte
to go like a blue streak (US) → ir como un rayo
to talk like a blue streak (US) → hablar muy deprisa
2. (= obscene) → verde, colorado (LAm)
blue filmpelícula f porno
3. (= sad) → triste, deprimido
to feel blueestar deprimido, estar tristón
to look bluetener aspecto triste
4. (Pol) → conservador
B. N
1. (= colour) → azul m
2. (Pol) → conservador(a) m/f
see also true-blue
3. (Chem) → añil m
4. the blue (= sky) → el cielo; (= sea) → el mar
to come out of the blue [money, good news] → venir como cosa llovida del cielo, bajar del cielo; [bad news] → caer como una bomba
he said out of the bluedijo de repente, dijo inesperadamente
5. blues (Mus) → blues m; (= feeling) → melancolía f, tristeza f
he's got the bluesestá deprimido
6. Dark/Light Blue (Brit) (Univ) → deportista mf representante de Oxford/Cambridge
C. VT
1. [+ washing] → añilar, dar azulete a
2. (Brit) (= squander) → despilfarrar
D. CPD blue baby Nniño/a m/f azul, niño/a m/f cianótico/a
blue beret Ncasco m azul
blue blood Nsangre f azul
blue book N (US) (Scol) → cuaderno m de exámenes
blue cheese Nqueso m de pasta verde
blue chips NPL = blue-chip securities
see blue-chip blue jeans NPLtejanos mpl, vaqueros mpl
blue pencil Nlápiz m negro (en la censura)
see also blue-pencil Blue Peter N (Naut) → bandera f de salida
blue shark Ntiburón m azul
blue whale Nballena f azul
blue whiting Nbacaladilla f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

blue

[ˈbluː]
adj
(in colour) [eyes, dress, door, car] → bleu(e)
a blue dress → une robe bleue
to have blue eyes → avoir les yeux bleus
once in a blue moon (= hardly ever) → tous les trente-six du mois
(= unhappy) [person] → cafardeux/euse, triste
(= pornographic) [film] → porno inv; [joke] → cochon(ne)
n (= colour) → bleu m
out of the blue [happen, come] → à l'improviste, sans qu'on s'y attende
It came out of the blue → C'est arrivé à l'improviste., C'est arrivé sans qu'on s'y attende.
see also bluesblue baby nenfant mf bleu(e)
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

blue

adj (+er)
blau; blue with coldblau vor Kälte; until you’re blue in the face (inf)bis zum Gehtnichtmehr (inf), → bis zum Erbrechen (inf); once in a blue moonalle Jubeljahre (einmal); like a blue streak (inf)wie ein geölter Blitz (inf); into the wide or wild blue yonderweit weit weg
(inf: = miserable) → melancholisch, trübsinnig; to feel blueden Moralischen haben (inf); to look bluetraurig aussehen
(inf: = obscene) languagederb, nicht salonfähig; jokeschlüpfrig; filmPorno-, Sex-; the air was blue (with oaths)da habe ich/hat er etc vielleicht geflucht (inf)
(Pol) → konservativ
n
Blau nt; the boys in blue (inf: = police) → die Polizei pl, → die Grünen pl (dated inf)
(liter, = sky) → Himmel m; out of the blue (fig inf)aus heiterem Himmel (inf)
(Pol) → Konservative(r) mf
(inf) the blues pl (= depression)der Moralische (inf); to have the bluesden Moralischen haben (inf)
(Mus) the blues plder Blues; a blues singein Blues
(Univ Sport) Student von Oxford oder Cambridge, der bei Wettkämpfen seine Universität vertritt (oder vertreten hat); (= colours) blaue Mütze, Symbol dafür, dass man seine Universität in Wettkämpfen vertreten hat
vt (inf, = spend) → auf den Kopf hauen (inf)(on für)

blue

:
blue baby
nBaby ntmit angeborenem Herzfehler
Bluebeard
nRitter Blaubart m
bluebell
nSternhyazinthe f; (Scot: = harebell) → Glockenblume f
blue beret
nBlauhelm m
blueberry
nBlau- or Heidelbeere f
bluebird
nRotkehlhüttensänger m
blue blood
nblaues Blut
blue-blooded
adjblaublütig
bluebook
n
(Brit Parl) → Blaubuch nt
(US: = list of prominent people) → ˜ Who’s Who nt
(US: = used-car price list) → Gebrauchtwagenpreisliste f, → ˜ Schwacke-Liste f
bluebottle
blue cheese
nBlauschimmelkäse m
blue-chip
adjerstklassig; shares alsoBlue-Chip-; investmentsicher; blue companyBlue-Chip-Firma f, seriöses Unternehmen mit guter Finanzlage
blue-collar
adj blue worker/union/jobsArbeiter m/Arbeitergewerkschaft f/Stellen plfür Arbeiter
blue-eyed
adjblauäugig; somebody’s blue boy (fig)jds Liebling(sjunge) m
blue helmet
nBlauhelm m
bluejacket
n (dated inf)Matrose m; to join the blueszu den blauen Jungs gehen (dated inf)
blue jeans
plBluejeans pl
blue line
n (US: Typ) → Blaupause f

blue

:
Blue Nile
nBlauer Nil
blue-pencil
vt (= edit, revise)korrigieren; (= delete)ausstreichen
blue peter
n (Naut) → Blauer Peter
blueprint
nBlaupause f; (fig)Plan m, → Entwurf m; do I have to draw you a blue? (inf)muss ich dir erst ’ne Zeichnung machen? (inf)
blue rib(b)and
nBlaues Band
blue rinse
n with her bluemit ihrem silberblau getönten Haar
bluestocking
n (fig)Blaustrumpf m

blue

:
bluetit
nBlaumeise f
blue-water
adj (Navy) blue fleet/shipHochseeflotte f/-schiff nt
blue whale
nBlauwal m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

blue

[bluː]
1. adj
a. (light blue) → azzurro/a, celeste; (darker) → blu inv
bright blue → bluette inv
blue with cold → livido/a dal freddo
once in a blue moon → a ogni morte di papa
you can talk till you're blue in the face → puoi parlare fino a domani
to be in a blue funk (old) → avere una fifa nera
b. (obscene, film, book) → porno inv; (joke) → sporco/a, sconcio/a
c. (fam) (sad) to feel bluesentirsi giù
2. n (colour) (see adj) → azzurro, celeste m, blu m inv
the blue (sky) → l'azzurro
out of the blue (fig) → all'improvviso
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

blue

(bluː) adjective
1. of the colour of a cloudless sky. blue paint; Her eyes are blue.
2. sad or depressed. I'm feeling blue today.
noun
1. the colour of a cloudless sky. That is a beautiful blue.
2. a blue paint, material etc. We'll have to get some more blue.
3. the sky or the sea. The balloon floated off into the blue.
ˈblueness noun
ˈbluish adjective
quite blue; close to blue. a bluish green.
ˈbluebottle noun
a kind of large house-fly with a blue abdomen.
ˈbluecollar adjective
(of workers) wearing overalls and working in factories etc. Blue collar workers are demanding the same pay as office staff.
ˈblueprint noun
a detailed photographic plan of work to be carried out. the blueprints for a new aircraft.
once in a blue moon
very seldom. He visits his mother once in a blue moon.
out of the blue
without warning. He arrived out of the blue, without phoning first.
the blues
low spirits; depression. He's got the blues today but he's usually cheerful.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

blue

أَزْرَق modrý blå blau γαλάζιος azul sininen bleu plav blu 青い 파란 blauw blå niebieski azul голубой blå สีฟ้า mavi xanh da trời 蓝色的
Multilingual Translator © HarperCollins Publishers 2009

blue

n. color azul;
a. triste, malancólico-a;
___ baby syndromecianosis congénita, pop. mal azul.
English-Spanish Medical Dictionary © Farlex 2012

blue

adj azul; (fam, sad) triste; the blues (fam) melancolía, tristeza
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
He wore blue silk stockings, blue knee pants with gold buckles, a blue ruffled waist and a jacket of bright blue braided with gold.
Behind my house, there is an old dry well, into which my light has fallen, it burns blue, and never goes out, and you shall bring it up again.' Next day the old woman took him to the well, and let him down in a basket.
It was gingham, with checks of white and blue; and although the blue was somewhat faded with many washings, it was still a pretty frock.
Of course it was essentially and indispensably necessary that each of these powerful parties should have its chosen organ and representative: and, accordingly, there were two newspapers in the town--the Eatanswill GAZETTE and the Eatanswill INDEPENDENT; the former advocating Blue principles, and the latter conducted on grounds decidedly Buff.
The Blue Light Drug Store is downtown, between the Bowery and First Avenue, where the distance between the two streets is the shortest.
Presently the Englishman leaped to his feet--freer than he had ever before felt in all his life, though he was still hopelessly a prisoner in the Blue Place of Seven Skulls.
He stood, erect and tranquil, watch- ing the attack begin against a part of the line that made a blue curve along the side of an adja- cent hill.
Then the wind dropped, and the sea was calm and blue. The Pacific is more desolate than other seas; its spaces seem more vast, and the most ordinary journey upon it has somehow the feeling of an adventure.
Meeting with Hodgkiss Misfortunes of the Nez Perces Schemes of Kosato, the renegado His foray into the Horse Prairie- Invasion of Black feet Blue John and his forlorn hope Their generous enterprise-Their fate-Consternation and despair of the village- Solemn obsequies -Attempt at Indian trade -Hudson's Bay Company's monopoly-Arrangements for autumn- Breaking up of an encampment.
Books Yellow, Red, and Green and Blue, All true, or just as good as true, And here's the Yellow Book for YOU!
Rostov, with his keen sportsman's eye, was one of the first to catch sight of these blue French dragoons pursuing our Uhlans.
"It doesn't seem probable that anyone with that taste in paint could be VERY kindred," acknowledged Anne, "unless it were an accident--like our blue hall.