English adjective: rational | |||
1. | rational consistent with or based on or using reason | ||
Samples | Rational behavior. A process of rational inference. Rational thought. | ||
Similar | coherent, demythologised, demythologized, intelligent, logical, lucid, reasonable, reasoning, sane, thinking | ||
See also | logical, reasonable, sane, sensible | ||
Antonyms | irrational | ||
2. | rational of or associated with or requiring the use of the mind | ||
Samples | Intellectual problems. The triumph of the rational over the animal side of man. | ||
Synonyms | intellectual, noetic | ||
Similar | mental | ||
Antonyms | physical | ||
3. | rational capable of being expressed as a quotient of integers | ||
Samples | Rational numbers. | ||
Domain category | math, mathematics, maths | ||
Antonyms | irrational | ||
4. | rational having its source in or being guided by the intellect (as distinguished from experience or emotion) | ||
Samples | A rational analysis. | ||
Similar | intellectual | ||
Antonyms | nonintellectual | ||
English noun: rational | |||
1. | rational (quantity) an integer or a fraction | ||
Synonyms | rational number | ||
Broader (hypernym) | real, real number | ||
Narrower (hyponym) | fraction | ||