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Definitions of rational

  1. of or associated with or requiring the use of the mind; " intellectual problems"; " the triumph of the rational over the animal side of man"
  2. ( math) capable of being expressed as a quotient of integers; " rational numbers"
  3. having its source in or being guided by the intellect ( distinguished from experience or emotion); " a rational analysis"
  4. consistent with or based on or using reason; " rational behavior"; " a process of rational inference"; " rational thought"
  5. capable of being expressed as a quotient of integers; " rational numbers"
  6. Relating to the reason; not physical; mental.
  7. Having reason, or the faculty of reasoning; endowed with reason or understanding; reasoning.
  8. Agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man.
  9. A rational being.
  10. Expressing the type, structure, relations, and reactions of a compound; graphic; - said of formulae. See under Formula.
  11. Having the power to reason, or think connectedly; as, a rational being; agreeable to, or in accord with, reason; as, a rational way of considering things; neither extravagant nor foolish; as, rational conduct; wise; judicious.
  12. Rationally.
  13. 1. Reasonable. 2. Having the reasoning faculties; not delirious or comatose.
  14. Pertaining to the reason: endowed with reason: agreeable to reason: sane: intelligent: judicious: ( arith. and alg.) noting a quantity which can be exactly expressed by numbers: ( geog.) noting the plane parallel to the sensible horizon of a place, and passing through the earth's centre.
  15. Endowed with reason; agrecable to reason; intelligent.
  16. Rationality.
  17. Possessing the faculty of reasoning; pertaining to the reason; reasonable; judicious.
  18. Endowed with reason; agreeable to reason; not absured or not extravagant; acting in conformity to reason; wise; judicious.
  19. Endowed with reason; agreeable to reason; judicious; acting in conformity to reason; sane.
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Antonyms for rational

derisory, scatty, crazed, crackbrained, unhinged, opaque, physical, lunkheaded, incoherent, brainless, birdbrained, ill-judged, half-witted, tomfool, uncompelling, groundless, batty, absurd, arbitrary, baseless, dull, audacious, foolish, certifiable, mental, oafish, futile, indelicate, soft, psycho, simpleminded, barmy, crazy, wacky, bats, tactless, WUD, unconvincing, enterprising, Inexplainable, false, silly, Misled, fatuous, thick-witted, inconclusive, unexplainable, invalid, empty, illegitimate, sophistic, featherheaded, unjustified, whimsical, thickheaded, cuckoo, Foundationless, erroneous, simple, loco, paradoxical, mindless, ignorant, emboldened, Daffy, meaningless, freakish, daft, mistaken, reasonless, Unreasoned, undiscerning, pathetic, boneheaded, lunatic, disconnected, implausible, graceless, dotty, screwball, sottish, nonsensical, injudicious, haywire, unwise, imprudent, psychotic, fool, pointless, doltish, inconsequential, incorrect, peremptory, unwarranted, jerky, laughable, anomalous, unaccountable, inexplicable, demented, casuistic, deranged, slow-witted, softheaded, Weak-minded, cranky, bonkers, screwy, imperious, bold, Eristic, meshuga, inane, daring, vacuous, dashing, wacko, crackers, venturous, dense, venturesome, harebrained, Nerved, unsupported, blind, dorky, choppy, brash, impulsive, ill-considered, capricious, monstrous, thoughtless, brain dead, dictatorial, senseless, non compos mentis, brainsick, preposterous, derisive, superstitious, moonstruck, loony tunes, undiplomatic, gutsy, asinine, nutty, obtuse, unbalanced, illogical, dopey, inadvisable, airheaded, cockamamy, nuts, fallacious, misleading, ludicrous, adventurous, irrational, unsubstantiated, bubbleheaded, free-swinging, ill-advised, specious, insane, unarticulated, unreasonable, loony, gormless, bughouse, witless, unthinking, unreasoning, disjointed, sappy, bedlam, inept, weak, unintelligent, slow, gaga, nonvalid, risible, flimsy, inconsequent, misguided, adventuresome, uninformed, balmy, bonehead, comical, dumb, crackpot, nonrational, nervy, mad, fruity, dim-witted, farcical, wild, willful, half-baked, thick, empty-headed, chimerical, unsound, unsmart, unconnected, nonthinking, zany, unfounded, hardy, dim, dunderheaded, maniacal, Chuckleheaded, cockeyed, indiscreet, ridiculous, lamebrain, dippy, cracked, infatuated, nonintellectual, unscientific.

Quotes of rational

  1. 'I realize they say we are 'wacko' and 'out there, but we are the most rational of all. – Brigitte Boisselier
  2. I write plays not to make money, but to stop myself from going mad. Because it's my way of making the world rational to me. – Edward Bond
  3. I think the Democratic Party has picked a lot of the wrong candidates, the kind that Middle America, or people who are more down the middle and more rational can't side with. I think that's been the problem. – Glenn Danzig
  4. To be bothered wherever you go- it's not a rational thing to want at all. – Colin Firth
  5. Papa always makes it clear that he would like to know me as much more rational and lucid than the girls and women he gets to know during his analytic hours. – Anna Freud
  6. Wonder, connected with a principle of rational curiosity, is the source of all knowledge and discover, and it is a principle even of piety; but wonder which ends in wonder, and is satisfied with wonder, is the quality of an idiot. – Samuel Horsley
  7. It is not to be forgotten that what we call rational grounds for our beliefs are often extremely irrational attempts to justify our instincts. – Thomas Huxley
  8. I am an Epicurean. I consider the genuine( not the imputed) doctrines of Epicurus as containing everything rational in moral philosophy which Greek and Roman leave to us. – Thomas Jefferson
  9. Whichever theory we adopt to give a rational explanation of human existence, that theory must take into account and explain the mental nature we see at work in all modern communities. – Arthur Keith
  10. No crime can ever be defended on rational grounds. – Titus Livius
  11. My mother wasn't rational those last years; if she had been, she would have been horrified by her own behavior. – Lorna Luft
  12. Poetry involves the mysteries of the irrational perceived through rational words. – Vladimir Nabokov
  13. Respect for another man's opinion is worthy. It is the realization that any opinion is valuable, for it is the sign of a rational being. – Sargent Shriver

Usage examples for rational

  1. Only out of rational choice can order have come." – A Candid Examination of Theism by George John Romanes
  2. Yes, in an ideal and rational society that would be so. – The George Sand-Gustave Flaubert Letters by George Sand, Gustave Flaubert Translated by A.L. McKensie
  3. I am fond of Mrs. Jennings and Hester- they always treat me, even Hester does, like a rational creature. – A Houseful of Girls by Sarah Tytler
  4. All the stable, rational men have disappeared. – Life Blood by Thomas Hoover
  5. Rational truths not born of religious feeling would be in dogmatics so many dead weights and heterogeneous elements, which would lead to the greatest incoherence. – Outlines of a Philosophy of Religion based on Psychology and History by Auguste Sabatier
  6. On other matters he was perfectly rational and he was easy and pleasing in conversation. – Alexander's Bridge and The Barrel Organ by Willa Cather and Alfred Noyes
  7. Not so the woman allied by a purely rational bond: and he wanted guiding. – The Complete Project Gutenberg Works of George Meredith by George Meredith
  8. I have read a great deal about the subconscious mind; on no other theory can I account for my rational conduct in public at the time. – My Attainment of the Pole by Frederick A. Cook
  9. I have not been rational a bit, and you must not say I have. – Bad Hugh by Mary Jane Holmes
  10. It would be enough if we simply confessed that we meet for the enjoyment of a rational and not unelevating pleasure. – Platform Monologues by T. G. Tucker
  11. One evening Clifford and his companion Augustus had been enjoying the rational amusement at Ranelagh, and were just leaving that celebrated place when they were arrested by a crowd at the entrance. – Paul Clifford, Volume 6. by Edward Bulwer-Lytton
  12. I am coming to that, if you'll exercise a little rational patience. – A Book of Ghosts by Sabine Baring-Gould
  13. This line of thought, once begun, seemed so rational that she wondered it had not occurred to her before. – Taken Alive by E. P. Roe
  14. To discover truth wherever it is hidden, should be the aim and effort of every rational mind. –  by
  15. This was good advice, and too rational not to be taken; but our present business was, what to do to get out of this dreadful place we were in. – The Life, Adventures & Piracies of the Famous Captain Singleton by Daniel Defoe
  16. Children are to be led early to believe, but this, from the nature of the case, cannot be on rational grounds. – The English Church in the Eighteenth Century by Charles J. Abbey and John H. Overton
  17. I believe I was rational in my own fashion for a little while, but when I ventured to say in a very unnecessary whisper, " Then you will go abroad with me?" – On the Church Steps by Sarah C. Hallowell
  18. A small and feeble beginning, but of something that was to grow and spread; the beginning of a faith that is as rational as it is wide. – Recollections and Impressions 1822-1890 by Octavius Brooks Frothingham
  19. If that wears off they are entirely rational – The Unwilling Vestal by Edward Lucas White
  20. Miss Beaumont was serious and rational at once. – The Celestial Omnibus and other Stories by E. M. Forster

Rhymes for rational