60 entries under adjective topic. ×

6
likely(adverb, reasonable, unmistakably, possibly)
6
probable(reasonable, happen, likely)
5
believable(reasonable, unreasonable, likely, unbelievable)
4
apt
4
credible(reasonable, unsound, likely, unbelievable)
4
feasible(improper, possible, impossible, doable)
4
plausible(reasonable, unreasonable, likely, believable)
4
possible(reasonable, unreasonable, likely, attainable)
3
imaginable(reasonable, likely)
3
liable(open, likely)
2
achievable
2
certain
2
conceivable
2
inevitable(certain, distant)
2
potential
2
probably(adverb, reasonable, happen, likely)
2
reasonable(senseless, irrational, unsound, likely)
2
unavoidable
2
verisimilar
1
apparent(real, seeming)
<123>
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APASmart Define. (2015). unlikely thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unlikely/thesaurus/antonyms
ChicagoSmart Define. 2015. "unlikely thesaurus" https://smartdefine.org/unlikely/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unlikely thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unlikely/thesaurus/antonyms>.
MLASmart Define. "unlikely thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unlikely/thesaurus/antonyms>