a fool or simpleton.
- nin·com·poop·er·y, noun
- nin·com·poop·ish, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use nincompoop in a sentence
He might read a lesson to many a two-legged prig, were the bipedal nincompoop capable of learning it.
That young Welsh nincompoop imp has his eyes everywhere; his ears are always open.The Cambrian Sketch-Book | R. Rice Davies
And now because a monstrous piece of good luck has made a Crichton of him, you begin to regret the nincompoop!Archibald Malmaison | Julian Hawthorne
If he hinted that a certain new comer impressed him unfavorably, the nincompoop was summarily kicked out of society.Hoosier Mosaics | Maurice Thompson
The heavily-loaded wagon of the nincompoop and the virago was almost constantly mired.Memoirs of Orange Jacobs | Orange Jacobs
British Dictionary definitions for nincompoop
a stupid person; fool; idiot
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