Synonyms for PROBABLY: likely, perhaps, maybe, definitely, surely, presumably, certainly, doubtless; Antonyms of PROBABLY: improbably, incredibly, unbelievably, inconceivably, implausibly, unthinkably

Find 42 different ways to say PROBABLY, along with antonyms, related words, and example sentences at Thesaurus.com.

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Synonyms for PROBABLY in English: likely, perhaps, maybe, possibly, presumably, most likely, doubtless, in all probability, in all likelihood, perchance, …

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probably WordReference English Thesaurus © 2025 Sense: Adverb: most likely Synonyms: presumably, seemingly, most likely, in all likelihood, in all probability, more than likely, likely, doubtless, …

Synonyms for PROBABLY: likely, apparent, feasible, presumably, credibly, imaginably, in-all-likelihood, believably, in-all-probability; Antonyms for PROBABLY: improbably, incredibly, unlikely, doubtfully, …

Synonyms for probably in Free Thesaurus. Antonyms for probably. 18 synonyms for probably: likely, perhaps, maybe, possibly, presumably, most likely, doubtless, in all probability, in all likelihood, …