3 entries under unlikely topic. ×

6
improbable(adjective, unreasonable, likely)
5
inconceivable(adjective, reasonable, unreasonable, imaginable)
1
remote(adjective, close, open, improbable)
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APASmart Define. (2015). possible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/possible/thesaurus/antonyms
ChicagoSmart Define. 2015. "possible thesaurus" https://smartdefine.org/possible/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, possible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/possible/thesaurus/antonyms>.
MLASmart Define. "possible thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/possible/thesaurus/antonyms>