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Synonyms
- airhead
- birdbrain
- blockhead
- bonehead
- bubblehead
- chowderhead
- chucklehead
- clodpoll
- clodpole
- clot [British]
- cluck
- clunk
- cretin
- cuddy [British dialect]
- cuddie
- deadhead
- dim bulb [slang]
- dimwit
- dip
- dodo
- dolt
- donkey
- doofus [slang]
- dope
- dork [slang]
- dullard
- dum-dum
- dumbbell
- dumbhead
- dummkopf
- dummy
- dunce
- dunderhead
- fathead
- gander
- golem
- goof
- goon
- half-wit
- hammerhead
- hardhead
- idiot
- ignoramus
- imbecile
- jackass
- know-nothing
- lamebrain
- loggerhead [chiefly dialect]
- loon
- lump
- lunkhead
- meathead
- mome [archaic]
- moron
- mug [chiefly British]
- mutt
- natural
- nimrod [slang]
- nincompoop
- ninny
- ninnyhammer
- nit [chiefly British]
- nitwit
- noddy
- noodle
- numskull
- numbskull
- oaf
- pinhead
- prat [British]
- ratbag [chiefly Australian]
- saphead
- schlub [slang]
- shlub
- schnook [slang]
- simpleton
- stock
- stupe
- stupid
- thickhead
- turkey
- woodenhead
- yahoo
- yo-yo
Examples of knucklehead in a Sentence
Don't be such a knucklehead.
I'd like to get my hands on the knucklehead who designed that paper-towel dispenser.
Recent Examples on the Web
Advertisement A lot of passionate, maniacal and deeply invested knuckleheads, yes.
—Jeff Miller, Los Angeles Times, 27 Oct. 2023
Everybody loves some knucklehead music, but there was a balance back in the day.
—William E. Ketchum Iii, Men's Health, 1 Aug. 2023
Things happen in war’s downtime, silly things like the knuckleheads from a recon platoon playing a prank one night, throwing a tear gas grenade into the barracks.
—The Indianapolis Star, 2 July 2023
He could be charged with a federal crime, and the knucklehead will be identified.
—Jeff Zillgitt, USA TODAY, 9 June 2023
Steve Ross Carmel :: Lux is a knucklehead.
—Los Angeles Times, 3 Mar. 2023
One knucklehead decided to spit on somebody.
—Jeff Zillgitt, USA TODAY, 1 June 2021
My client is not a knucklehead.
—Julia Jones and Sara Sidner, CNN, 26 Oct. 2020
Oh, and also, don't be a knucklehead.
—Matt Young, Houston Chronicle, 10 June 2020
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'knucklehead.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1942, in the meaning defined above
Articles Related to knucklehead
Dictionary Entries Near knucklehead
Cite this Entry
“Knucklehead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knucklehead. Accessed 10 Jun. 2024.
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