This shows grade level based on the word's complexity.
knucklehead
[ nuhk-uhl-hed ]
/ ˈnʌk əlˌhɛd /
Save This Word!
This shows grade level based on the word's complexity.
noun Informal.
a stupid, bumbling, inept person.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachImprove Your Writing
OTHER WORDS FROM knucklehead
knuck·le·head·ed, adjectiveWords nearby knucklehead
knuckleballer, knucklebone, knucklebones, knuckle down, knuckle-duster, knucklehead, knuckle joint, knuckle pads, knuckle sandwich, knuckle under, Knudsen
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use knucklehead in a sentence
“We just had a knucklehead do something knucklehead-ish,” said Smart, who is in his seventh season in Boston.
To cops, Greene appears to be living proof that going to Harvard does not necessarily make you any less a knucklehead.
NY Couple Not Terrorists, Say Cops, Just Rich Kids With Drug Habits|Michael Daly, Lizzie Crocker|January 1, 2013|DAILY BEASTAs a hiker, I thought Strayed was a knucklehead—but a likable one.
British Dictionary definitions for knucklehead
knucklehead
/ (ˈnʌkəlˌhɛd) /
noun
informal fool; idiot
Derived forms of knucklehead
knuckleheaded, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012