Synonyms|154Antonyms|0|Broader|11Narrower|0Related|52
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lengthy
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long-tongued
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long-winded
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loquacious
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mole(sneak, informer, informant, squealer, stoolie)
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motor-mouth(noun, much)
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motormouth
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natter
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newsman(sneak, informant, squealer)
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newsy
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open
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outgoing
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outspoken
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rumour-mill
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sieve
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singer(sneak, informant, squealer)
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snake(sneak, informant, squealer)
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sociable
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songbird(sneak, informant, squealer)
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spreads
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APASmart Define. (2015). blabbermouth thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/blabbermouth/thesaurus/synonyms
ChicagoSmart Define. 2015. "blabbermouth thesaurus" https://smartdefine.org/blabbermouth/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, blabbermouth thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/blabbermouth/thesaurus/synonyms>.
MLASmart Define. "blabbermouth thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/blabbermouth/thesaurus/synonyms>