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Definition of boob

boob

/buːb/
boob

Plural:boobs
•
Past Simple:boobed
•
Past Participle:boobed
•
Present Participle:boobing
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boob Lexical Profile

boob Game Scores & Validity

• noun

1

A woman's breast (used in informal or slang contexts).

Example

"She complained that the ill-fitting swimsuit was uncomfortable around her boobs."


2

North American A foolish, awkward, or stupid person.

Example

"He felt like a complete boob when he realized he had locked his keys inside the car."


3

British An embarrassing mistake or foolish blunder.

Example

"The announcer made a dreadful boob by mispronouncing the guest of honor's name."

Synonyms
View all synonyms for boob

• verb

1

British To make a foolish or embarrassing mistake.

Example

"The referee admitted he had boobed by disallowing the winning goal."

Synonyms
View all synonyms for boob

Word Nuance & Usage

All senses of 'boob' belong to informal or slang registers; the anatomical sense is casual and potentially inappropriate in professional contexts, while the senses referring to a blunder or a verb ('to boob') are primarily British.

• Rhymes for boob

Word Origin & Etymology

The sense meaning a foolish person is an early 20th-century shortening of 'booby', which ultimately derives from Spanish 'bobo' (fool) and Latin 'balbus' (stammering). The anatomical sense likely developed independently from earlier Germanic dialectal words for a teat or breast, such as 'bubby'.

Cite this Entry


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