Synonyms|527Antonyms|88|Broader|4Narrower|0Related|667

3 entries under believable topic. ×

11
plausible(adjective, reasonable, unreasonable, likely)
4
credible(adjective, unsound, unbelievable)
1
imaginable(adjective, possible)
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APASmart Define. (2015). improbable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/improbable/thesaurus/antonyms
ChicagoSmart Define. 2015. "improbable thesaurus" https://smartdefine.org/improbable/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, improbable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/improbable/thesaurus/antonyms>.
MLASmart Define. "improbable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/improbable/thesaurus/antonyms>