Blabmouth

noun, slang

noun, slang ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Synonym of blabbermouth (“a gossip or chatterbox”). informal

Synonyms

All synonyms
blabbermouth

Etymology

From blab + mouth.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.