Synonyms|1.5kAntonyms|754|Broader|14Narrower|11Related|3.3k

2 entries under plausible topic. ×

3
implausible(adjective, senseless, irrational, unsound, likely)
2
unbelievable(adjective, foolish)
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APASmart Define. (2016). reasonable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/reasonable/thesaurus/antonyms
ChicagoSmart Define. 2016. "reasonable thesaurus" https://smartdefine.org/reasonable/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, reasonable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/reasonable/thesaurus/antonyms>.
MLASmart Define. "reasonable thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/reasonable/thesaurus/antonyms>