knucklehead

noun

knuck·​le·​head ˈnə-kəl-ˌhed 

: dumbbell sense 2

knuckleheaded

ˈnə-kəl-ˌhed-əd 

adjective

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

The dynasty community is down on Williams, citing injury history, the knucklehead factor and questionable hands. —Jeff Haverlack, The Athletic, 18 July 2024

The collective bargaining agreement precludes using such levers to discipline a player for being a knucklehead on the field. —Brad Biggs, Chicago Tribune, 30 Oct. 2024

Green Bay’s No. 1 knucklehead continues to do questionable things. —Rob Reischel, Forbes, 20 Oct. 2024

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

Word History

First Known Use

1942, in the meaning defined above