Synonyms|352Antonyms|121|Broader|4Narrower|7Related|1.4k
2
probably(adjective, reasonable, plausible)
2
slick
2
supposable
2
thinkable
1
certain
1
cogitable
1
good
1
hopeful
1
incontestable
1
indisputable
1
indubitable
1
logical(obscure, illogical)
1
practicable
1
presumptive
1
questionless
1
strong
1
sure
1
tenable(adjective, reasonable, plausible)
1
trustworthy(adjective, false, doubtful)
1
undeniable
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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>