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blabbermouth Synonyms

Another word for blabbermouth

Choosing another word for blabbermouth that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
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• noun (Context 1)

A person who talks excessively or indiscreetly, especially one who habitually reveals secrets or private matters.

Usage Example

"We decided not to tell him about the surprise party because he has a reputation for being a bigmouth."

Strongest
bigmouth
gossip
Strong
tattletale
tell-tale
chatterbox
motor-mouth
loudmouth
babbler
windbag

Opposites of blabbermouth

The opposite of blabbermouth shifts depending on context. Common opposites include:

clam
See all opposites of blabbermouth

• Nearby Words

bizarro
blab
blabber
blabbermouth
blabby
black
black and white tegu

Cite this Entry

Wordmom. (2026). Synonyms for Blabbermouth. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/blabbermouth
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