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
That’s the sort of talent knuckleheads who think this music game is all about proficiency and flash will never understand.
—
Ed Masley, The Arizona Republic, 1 June 2024
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
See all Example Sentences for knucklehead 
Ed Masley, The Arizona Republic, 1 June 2024
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
See all Example Sentences for knucklehead
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.
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Cite this Entry
“Knucklehead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knucklehead. Accessed 7 Jul. 2024.
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