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[ree-zuh n-lis]
See more synonyms for reasonless on Thesaurus.com
  1. not having any reason or sense: an utterly reasonless display of anger.
  2. not having a natural capacity for reason.
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Origin of reasonless

First recorded in 1350–1400, reasonless is from the Middle English word resonles. See reason, -less
Related formsrea·son·less·ly, adverbrea·son·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for reasonless

baseless, unscientific, untrue, irrational, inoperative, unreasonable, unsound, null, false, insane, crazy, stupid, incoherent, preposterous, wrong, ridiculous, absurd, unwise, foolish, aberrant

Examples from the Web for reasonless

Historical Examples of reasonless

  • Of all unbeautiful and inappropriate conceptions this is the most reasonless and offensive.

    The Devil's Dictionary

    Ambrose Bierce

  • You are not oxen,—yet often you are as patient, as dull, as blind and reasonless as they!

    Temporal Power

    Marie Corelli

  • Too late he cursed the reasonless panic that had sent him into flight.

    Satan Sanderson

    Hallie Erminie Rives

  • Like its antithesis, "lose out," this reasonless phrase is of sport, "sporty."

    Write It Right

    Ambrose Bierce

  • My dreams, if dreams they may be called, were rhymeless and reasonless.