knucklehead

[ nuhk-uh l-hed ]
/ ˈnʌk əlˌhɛd /

noun Informal.

a stupid, bumbling, inept person.

Origin of knucklehead

First recorded in 1940–45; knuckle + head

Related forms

knuck·le·head·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for knucklehead

knucklehead

/ (ˈnʌkəlˌhɛd) /

noun

informal fool; idiot

Derived Forms

knuckleheaded, adjective
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