Simple Definition of knucklehead
: a stupid person
Examples of knucklehead
Don't be such a knucklehead.
<I'd like to get my hands on the knucklehead who designed that paper-towel dispenser.>
First Known Use of knucklehead
Rhymes with knucklehead
acidhead, aforesaid, arrowhead, barrelhead, bubblehead, bufflehead, butterhead, chowderhead, chucklehead, colorbred, copperhead, Diamond Head, dragonhead, dunderhead, featherbed, featherhead, fiddlehead, figurehead, fountainhead, get ahead, gingerbread, go-ahead, hammerhead, head-to-head, Holinshed, infrared, Java Head, letterhead, Lizard Head, loggerhead, lowlihead, maidenhead, Marblehead, metalhead, newlywed, overhead, overspread, pinniped, pointy-head, poppyhead, quadruped, riverbed, running head, saddlebred, Saint John's bread, Samoyed, scratch one's head, showerhead, sleepyhead, slugabed, soda bread, standardbred, straight-ahead, talking head, thoroughbred, thunderhead, timberhead, turn one's head, turtlehead, underbred, watershed, woodenhead
Learn More about knucklehead
Thesaurus: All synonyms and antonyms for "knucklehead"
Seen and Heard
What made you want to look up knucklehead? Please tell us where you read or heard it (including the quote, if possible).