Synonyms|351Antonyms|47|Broader|4Narrower|0Related|218

2 entries under reasonable topic. ×

7
unlikely(adverb, likely, unmistakably, possibly)
3
implausible(adjective, likely, plausible)
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APASmart Define. (2015). probably thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/probably/thesaurus/antonyms
ChicagoSmart Define. 2015. "probably thesaurus" https://smartdefine.org/probably/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, probably thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/probably/thesaurus/antonyms>.
MLASmart Define. "probably thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/probably/thesaurus/antonyms>