Synonyms|352Antonyms|121|Broader|4Narrower|7Related|1.4k

3 entries under unsound topic. ×

5
credible(adjective, reasonable, unbelievable, believable)
5
reasonable(adjective, senseless, irrational, plausible)
0
thought-out
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APASmart Define. (2015). implausible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/implausible/thesaurus/antonyms
ChicagoSmart Define. 2015. "implausible thesaurus" https://smartdefine.org/implausible/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, implausible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/implausible/thesaurus/antonyms>.
MLASmart Define. "implausible thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/implausible/thesaurus/antonyms>