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Definition of bonehead

bonehead

/ˈboʊn.hɛd/
bone · head
Plural:boneheads
•
Adjective:boneheaded
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bonehead Lexical Profile

bonehead Game Scores & Validity

• noun

1

North American A foolish, dense, or stupid person who frequently makes careless blunders.

Example

"I felt like a complete bonehead after locking my keys inside the running car."

Synonyms
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Antonyms
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• adjective

1

North American Characterized by a lack of intelligence, foresight, or common sense; foolish or blunder-prone.

Example

"The coach was frustrated by the team's bonehead mistakes during the final minutes of the game."

Synonyms
View all synonyms for bonehead
Antonyms
View all antonyms for bonehead

• Rhymes for bonehead

• Nearby Words

bone
bone-tired
bonefish
bonehead
boneheaded
boneheadedness
boneless

Word Origin & Etymology

Coined in early 20th-century American English, particularly popularized through baseball slang (such as 'Merkle's Boner' in 1908), from the humorous notion that a foolish person's skull consists entirely of solid bone with no room for a brain.

Cite this Entry

Wordmom. (2026). Definition of Bonehead. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/bonehead
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