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
Order had to be restored in the seventh inning as some knuckleheads with tickets pelted the field with balls, beers and basically anything that was nailed down.
—
Jay Paris, Forbes, 7 Oct. 2024
Rose, a musician and performer as well as a writer and director, has a heartfelt and skillful curiosity about how knucklehead siblings can both aggravate and accommodate each other in tough times.
—Michael Phillips, Chicago Tribune, 24 Sep. 2024
This doesn’t mean the Dolphins should start fights and engage in knucklehead behavior that draws penalty flags.
—Chris Perkins, Sun Sentinel, 5 Aug. 2024
How long until some knucklehead steals a bag of doughnuts, hops into a Waymo and leads police and squadrons of helicopters on a driverless car chase?
—Steve Lopez, Los Angeles Times, 26 July 2024
See all Example Sentences for knucklehead 
Jay Paris, Forbes, 7 Oct. 2024
Rose, a musician and performer as well as a writer and director, has a heartfelt and skillful curiosity about how knucklehead siblings can both aggravate and accommodate each other in tough times.
—Michael Phillips, Chicago Tribune, 24 Sep. 2024
This doesn’t mean the Dolphins should start fights and engage in knucklehead behavior that draws penalty flags.
—Chris Perkins, Sun Sentinel, 5 Aug. 2024
How long until some knucklehead steals a bag of doughnuts, hops into a Waymo and leads police and squadrons of helicopters on a driverless car chase?
—Steve Lopez, Los Angeles Times, 26 July 2024
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 30 Oct. 2024.
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