Find Antonyms
possibility Antonyms
Opposite of possibility
Because the opposite of possibility shifts with each meaning, the antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
• noun (Context 1)
A thing that may happen or be the case; a feasible option or course of action.
Usage Example
"Working remotely part-time is a strong impossibility that the management team is considering."
Strongest
impossibility
Strong
nonstarter
• noun (Context 2)
The state or fact of being likely or able to happen, exist, or be done.
Usage Example
"The weather forecast indicates a high impossibility of rain later this afternoon."
Strongest
impossibility
Strong
certainty
unlikelihood
improbability
• noun (Context 3)
Unspecified qualities of a promising nature; potential for future development or success (usually used in the plural).
Usage Example
"The historic building needs extensive renovation, but the architect sees great possibilities in its spacious layout."
Strong
limitation
Similar words to possibility
Words similar to possibility shift depending on context. Common synonyms include:
potential
chance
likelihood
option
promise
probability
prospect
potentiality
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Possibility. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/possibility