[əˈləːt], (Adjective)

Definitions:
- quick to notice any unusual and potentially dangerous or difficult circumstances; vigilant
(e.g: an alert police officer discovered a lorry full of explosive)


Phrases:

Origin:
late 16th century (originally in military use): from French alerte, from Italian all' erta ‘to the watchtower’

[əˈləːt], (Noun)

Definitions:
- the state of being watchful for possible danger
(e.g: security forces are on the alert for an upsurge in violence)

- an announcement or signal warning of danger
(e.g: an alert sounded and all the fighters took off)


Phrases:

Origin:
late 16th century (originally in military use): from French alerte, from Italian all' erta ‘to the watchtower’

[əˈləːt], (Verb)

Definitions:
- warn (someone) of a danger or problem
(e.g: he alerted people to the dangers of smoking)


Phrases:

Origin:
late 16th century (originally in military use): from French alerte, from Italian all' erta ‘to the watchtower’