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nerd

noun [C]
 
 
/nɜːd/ US  /nɝːd/ informal disapproving

Definition

a person, especially a man, who is not attractive and is awkward or socially embarrassing: He was a real nerd in high school - I can't believe he's so handsome now.Inability and awkwardness a person who is extremely interested in one subject, especially computers, and knows a lot of facts about it: I'm a real grammar nerd. nerdy
 
 
/ˈnɜː.di/ US  /ˈnɝː-/ adjective informal disapproving
He's nice, but kind of nerdy. These glasses make me look/feel nerdy.Inability and awkwardness
(Definition of nerd noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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