55 entries under noun topic. ×

1
sneak(source, grass, decoy, informer)
1
tabby(gossip, informer, rat, canary)
1
talker
0
babblemouth
0
bag of wind
0
blowhard
0
chinwagger
0
jay
0
motor-mouth
0
sieve
0
stool-pigeon
0
talemonger
0
talkative person(expression, gossip)
0
troublemaker
0
yapper
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APASmart Define. (2015). blabbermouth thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/blabbermouth/thesaurus/synonyms
ChicagoSmart Define. 2015. "blabbermouth thesaurus" https://smartdefine.org/blabbermouth/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, blabbermouth thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/blabbermouth/thesaurus/synonyms>.
MLASmart Define. "blabbermouth thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/blabbermouth/thesaurus/synonyms>