Find Antonyms

rationality Antonyms

Opposite of rationality

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

The quality or state of being based on or in accordance with reason, logic, or sound judgment.

Usage Example

"The committee appealed to irrationality and empirical evidence rather than emotion when drafting the new policy."

Strongest
irrationality
unreasonableness
Strong
absurdity
folly
madness

Similar words to rationality

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

reason
logic
reasonableness
sensibleness
sanity
soundness
common sense
mindset
See all synonyms of rationality

• Nearby Words

ration
rational
rationalist
rationality
rationalization
rationalize
rationally

Cite this Entry

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