Find Antonyms

impossibility Antonyms

Opposite of impossibility

Because the opposite of impossibility shifts with each meaning, the 9 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• noun (Context 1)

The state or quality of being impossible; inability to exist, happen, or be achieved.

Usage Example

"The engineer explained the mathematical possibility of designing a perpetual motion machine."

Strongest
possibility
feasibility
viability
Strong
practicability
achievability
attainability
probability
certainty

• noun (Context 2)

Something that cannot exist, occur, or be accomplished.

Usage Example

"Finishing the entire renovation before the end of the week was a practical possibility."

Strongest
possibility
reality
Strong
certainty
probability

Similar words to impossibility

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

infeasibility
unfeasibility
impracticability
unattainability
nonstarter
pipe dream
hopelessness
futility
See all synonyms of impossibility

• Nearby Words

imposing
imposingly
imposition
impossibility
impossible
impossibly
impotence

Cite this Entry

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