Find Antonyms
unthinkably Antonyms
Opposite of unthinkably
Pinning down the opposite of unthinkably requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adverb definition and ranked by contrast strength.
• adverb (Context 1)
To a degree or in a manner that is impossible to imagine, comprehend, or consider likely.
Usage Example
"The deep ocean floor remains an conceivably vast and largely unexplored frontier."
Strongest
conceivably
imaginably
Strong
plausibly
predictably
Similar words to unthinkably
Words similar to unthinkably shift depending on context. Common synonyms include:
inconceivably
unimaginably
unbelievably
incredibly
impossibly
unfathomably
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Unthinkably. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/unthinkably