1. (adj) rational number, rational
an integer or a fraction
Synonyms: rational, rational number
Antonyms: physical, irrational, nonintellectual, unreasoning, superstitious, blind, nonrational, reasonless
2. (adj) rational
consistent with or based on or using reason
Synonyms: intellectual, noetic
Antonyms: nonrational, unreasoning, irrational, reasonless, nonintellectual, blind, physical, superstitious
3. (adj) intellectual, rational, noetic
of or associated with or requiring the use of the mind
Synonyms: intellectual, cerebral, rational, noetic
Antonyms: nonrational, irrational, reasonless, unreasoning, physical, nonintellectual, blind, superstitious
4. (adj) rational
capable of being expressed as a quotient of integers
Synonyms: intellectual, noetic
Antonyms: reasonless, physical, irrational, blind, nonrational, superstitious, nonintellectual, unreasoning
5. (adj) rational
having its source in or being guided by the intellect (as distinguished from experience or emotion)
Synonyms: intellectual, noetic
Antonyms: irrational, superstitious, blind, unreasoning, nonrational, physical, reasonless, nonintellectual
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Synonyms and Antonyms of rational 
