nerdPronunciation: /nəːd/ (also nurd)Definition of nerd noun informal a foolish or contemptible person who lacks social skills or is boringly studious:I was a serious nerd until I discovered girls and cars a single-minded expert in a particular technical field:a computer nerdDerivatives nerdiness noun nerdish adjective nerdishness noun nerdy adjective (nerdier, nerdiest)Origin: 1950s (originally US): of unknown originnerd in other Oxford dictionaries Definition of nerd in the US English dictionary
