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rational

Synonyms of rational in English:

adjective

  • 1 a rational approach to the problem
    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
    [Antonyms] irrational, illogical
  • 2 she was not fully rational at the time of signing the agreement
    lucid, coherent, sane, in one's right mind, able to think/reason clearly, of sound mind, in possession of all one's faculties;
    informal all there
    [Antonyms] insane
  • 3 man is a self-conscious, rational being
  • Definition of rational in:

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