nincompoop

[ nin-kuh m-poop, ning- ]
/ ˈnɪn kəmˌpup, ˈnɪŋ- /

noun

a fool or simpleton.

Origin of nincompoop

First recorded in 1670–80; origin uncertain

Related forms

nin·com·poop·er·y, nounnin·com·poop·ish, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for nincompoop

British Dictionary definitions for nincompoop

nincompoop

/ (ˈnɪnkəmˌpuːp, ˈnɪŋ-) /

noun

a stupid person; fool; idiot

Word Origin for nincompoop

C17: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012