Adjective

(er)

(US) Having nerve; bold; brazen.

(British) Feeling nervous, anxious or agitated.

* {{quote-news

, year=2012 , date=May 9 , author=John Percy , title=Birmingham City 2 Blackpool 2 (2-3 on agg): match report , work=the Telegraph citation , page= , passage= Blackpool continue to thrive on the adrenalin rush of the end-of-season shoot-out and are heading for a second Wembley date in two years after negotiating a nervy path past Birmingham.}}

(archaic) Strong; sinewy.

his nervy knees — Keats.

Adjective

(er)

(colloquial, derogatory, of a person) Being or like a nerd.

That guy is nerdy and weird.

(colloquial, derogatory, of a quality or interest) Of, pertaining to, in the style of, or appealing to nerds.

That is a nerdy song.

I got a pair of nerdy glasses and clothes for Halloween.