Definition and Synonyms for Rational

Definition of Rational

1. Consistent with or based on or using reason Adjective
2. Capable of being expressed as a quotient of integers Adjective
3. An integer or a fraction Noun
4. Of or associated with or requiring the use of the mind Adjective Satellite
5. Having its source in or being guided by the intellect (as distinguished from experience or emotion) Adjective Satellite

irrational
Adjective
antonym
2
1. not consistent with or using reason
2. real but not expressible as the quotient of two integers
ratio
Noun
pertainym
1
1. the relative magnitudes of two quantities (usually expressed as a quotient)
rationality
Noun
derivation
3
1. the quality of being consistent with or based on logic
2. the quality of being consistent with or based on logic
3. the state of having good sense and sound judgment
rationalness
Noun
derivation
3
1. the quality of being consistent with or based on logic
2. the quality of being consistent with or based on logic
3. the quality of being consistent with or based on logic

Words Rhyme with rational

Etymology for rational