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Definition of blab

blab

/blæb/
blab

Plural:blabs
•
Adjective:blabby
•
Past Simple:blabbed
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Past Participle:blabbed
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Present Participle:blabbing
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blab Lexical Profile

blab Game Scores & Validity

• verb

1

To reveal secrets or confidential information indiscreetly or thoughtlessly.

Example

"We planned a surprise party for her birthday, so please do not blab about it at lunch."


2

To talk foolishly, idly, or excessively; to chatter.

Example

"They sat at the corner cafe and blabbed for hours about their favorite movies."

Synonyms
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Antonyms
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• noun

1

A person who reveals secrets or talks indiscreetly; a blabbermouth.

Example

"Never tell your secrets to a known blab unless you want the entire neighborhood to know."


2

Idle, foolish, or indiscreet chatter.

Example

"She tuned out the endless blab of the television talk show while finishing her report."

Synonyms
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• Rhymes for blab

Word Origin & Etymology

First recorded in the late 14th century, the word derives from the Middle English noun 'blabbe' (meaning a telltale or chatterer), which is likely of imitative origin representing idle babbling.

Cite this Entry


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