- 1Based on or in accordance with reason or logic: I’m sure there’s a perfectly rational explanationMore example sentences
logical, reasoned, well reasoned, sensible, reasonable, cogent, coherent, intelligent, wise, judicious, sagacious, astute, shrewd, perceptive, enlightened, clear-eyed, clear-sighted, commonsensical, common-sense, well advised, well grounded, sound, sober, prudent, circumspect, politic; down-to-earth, practical, pragmatic, matter-of-fact, hard-headed, with both one's feet on the ground, unidealistic• informal joined-up
- Hegel develops his rational ontology of gender within a logic of oppositions.
- But for many people, their faith isn't based around an irrational fervour, and it isn't based around rational logic.
- The ideals of liberty, equality, and fraternity proved inadequate as bases for a fully rational society.
- 1.1Able to think sensibly or logically: Ursula’s upset—she’s not being very rationalMore example sentences
- Unlike the first two, Proviesque rarely displays a logical structure that can be followed by sensible rational people.
- To be honest, I once thought about having another woman, but I did not do it because I was able to be rational, I did not want to take any risks.
- I have a friend, a sensible, rational creature, not outwardly generous, but happy to share a garibaldi if pressed.
- 1.2Endowed with the capacity to reason: man is a rational beingMore example sentences
- Kant said that the mind is rational, it is endowed with Reason.
- Since men are rational and egoistic, endowed with the right of property, the composition of output should be determined by consumer sovereignty.
- There is implanted in every rational being the capacity to distinguish the true from the false, to weigh the evidence, and to confront the world without illusions.
- 2 Mathematics (Of a number, quantity, or expression) expressible, or containing quantities which are expressible, as a ratio of whole numbers.More example sentences
- The set of rational numbers is denumerable, that is, it has cardinal number d.
- His idea was that every real number r divides the rational numbers into two subsets, namely those greater than r and those less than r.
- Term formalism can perhaps be extended to the integers and rational numbers, but what are the real numbers supposed to be?
- More example sentences
- Truth, science, intellectual inquiry and rationality are inextricably bound together.
- His threat lay in his cold rationality and his overwhelming intellectual authority.
- Our judgements are constrained by rationality to the extent that we cannot just label any movement a cult by pure whim.
- More example sentences
- From this perspective you will be able to think much more clearly and rationally.
- Her philosophy was that everything could be explained logically and rationally.
- Anger clearly breeds stupidity, but let us try to think rationally this Sunday.
late Middle English (in the sense 'having the ability to reason'): from Latin rationalis, from ratio(n-) 'reckoning, reason' (see ratio).