| be indiscreet | |
| be unguarded | |
| bear witness against(expression, idiom) | |
| betray a confidence(expression, idiom) | |
| bibble-babble | |
| big talker | |
| blabberer | |
| blah-blah | |
| blarney | |
| blatherer | |
| blethers | |
| blither | |
| blow the gaff | |
| brattle | |
| break | |
| break silence(expression, express, talk, articulate, chatter) | |
| brief(information, tell, alert, caution, inform) | |
| bring to light(verb, expression, idiom, release, tell) | |
| bubble | |
| bullshit |
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| APA | Smart Define. (2015). blab thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/blab/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "blab thesaurus" https://smartdefine.org/blab/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, blab thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/blab/thesaurus/synonyms>. |
| MLA | Smart Define. "blab thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/blab/thesaurus/synonyms> |