English dictionary



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English adjective: rational

1. rational consistent with or based on or using reason


SamplesRational behavior.
A process of rational inference.
Rational thought.


Similarcoherent, demythologised, demythologized, intelligent, logical, lucid, reasonable, reasoning, sane, thinking


See alsological, reasonable, sane, sensible


Antonymsirrational

2. rational of or associated with or requiring the use of the mind


SamplesIntellectual problems.
The triumph of the rational over the animal side of man.


Synonymsintellectual, noetic


Similarmental


Antonymsphysical

3. rational capable of being expressed as a quotient of integers


SamplesRational numbers.


Domain categorymath, mathematics, maths


Antonymsirrational

4. rational having its source in or being guided by the intellect (as distinguished from experience or emotion)


SamplesA rational analysis.


Similarintellectual


Antonymsnonintellectual


English noun: rational

1. rational (quantity) an integer or a fraction


Synonymsrational number


Broader (hypernym)real, real number


Narrower (hyponym)fraction









Based on WordNet 3.0 copyright © Princeton University.
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