Find Antonyms

presumably Antonyms

Opposite of presumably

Pinning down the opposite of presumably requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adverb definition and ranked by contrast strength.
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• adverb (Context 1)

Used to convey that what is asserted is very likely or may reasonably be supposed, though not known for certain.

Usage Example

"The lights in the office are turned off, so the staff have improbably gone home for the evening."

Strongest
improbably
Strong
implausibly
doubtfully
certainly
definitely

Similar words to presumably

Words similar to presumably shift depending on context. Common synonyms include:

supposedly
probably
apparently
evidently
likely
seemingly
doubtless
ostensibly
See all synonyms of presumably

• Nearby Words

prestigiously
presto
presumable
presumably
presume
presumption
presumptive

Cite this Entry

Wordmom. (2026). Antonyms for Presumably. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/presumably
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