[nəːd], (Noun)

Definitions:
- a person who is extremely enthusiastic and knowledgeable about a particular subject, especially one of specialist or niche interest
(e.g: the executive is an unabashed film nerd)

- an unfashionable person who lacks social skills or is boringly studious
(e.g: I was not the sporty type, I was a bookish nerd)


Phrases:

Origin:
1950s (originally US): of unknown origin

[nəːd], (Verb)

Definitions:
- engage in or discuss a technical field obsessively or with great attention to detail
(e.g: his engineering background means he tends to nerd out a bit on the numbers)


Phrases:

Origin:
1950s (originally US): of unknown origin