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probably Synonyms
Another word for probably
Choosing another word for probably that fits your sentence is easier when synonyms and similar words are paired with an exact adverb definition and ranked by match strength.
• adverb (Context 1)
Almost certainly; as far as one knows or can tell; in all likelihood.
Usage Example
"Given the dark clouds gathering on the horizon, it will likely rain before evening."
Strongest
likely
Strong
presumably
doubtless
undoubtedly
doubtlessly
believably
Weak
plausibly
Opposites of probably
The opposite of probably shifts depending on context. Common opposites include:
improbably
unlikely
doubtfully
implausibly
questionably
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Probably. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/probably