'Nebbish' definitions:

Definition of 'nebbish'

From: WordNet
noun
(Yiddish) a timid unfortunate simpleton [syn: nebbish, nebbech]

Definition of 'Nebbish'

From: GCIDE
  • Nebbish \Neb"bish\ (m[e^]b"[i^]sh) n. [Yiddish, nebekh poor, unfortunate.] A person who is ineffectual, timid, and often luckless; a person of no significance. [PJC]