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Word of the Day Tuesday, June 9, 2026

rational

/ˈreɪʃənəl/ adjective · British & US
Valid in UKValid in US
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What does rational mean?

adjective

Having or exercising the ability to reason; based on reason or good sense. Reasonable or sensible.

Example

"The rational decision was to invest in a diversified portfolio."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for rational

Antonyms of rational

Rhymes with rational

Etymologically related