AskDefine | Define nincompoop

Dictionary Definition

nincompoop n : a stupid foolish person [syn: poop, ninny]

User Contributed Dictionary



Earlier (1676) nicompoop, possibly from Latin non compos mentis, "not of sound mind", although the lack of the second n in the early form and the original meaning of "fop" cast doubt on this origin.



  1. A silly or foolish person.


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