3
improbable
2
unlikely(adjective, unsusceptible)
1
implausible(adjective, unreasonable)
0
excusable(adjective, unsusceptible)
0
freed(adjective, unsusceptible)
0
immune(adjective, unsusceptible)
0
impossible(adjective, unreasonable)
0
inapt(adjective, unreasonable)
0
irresponsible(adjective, unsusceptible)
0
unaccountable(adjective, unsusceptible)
0
unbelievable
0
unforeseeable(adjective, unreasonable)
0
unreasonable
0
unsusceptible(adjective, susceptible, nonresistant, acceptive)
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APASmart Define. (2015). verisimilar thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/verisimilar/thesaurus/antonyms
ChicagoSmart Define. 2015. "verisimilar thesaurus" https://smartdefine.org/verisimilar/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, verisimilar thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/verisimilar/thesaurus/antonyms>.
MLASmart Define. "verisimilar thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/verisimilar/thesaurus/antonyms>