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illogical

[ ih-loj-i-kuhl ]
/ ɪˈlɒdʒ ɪ kəl /
||
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adjective

not logical; contrary to or disregardful of the rules of logic; unreasoning: an illogical reply.

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RELATED WORDS

incorrect, unscientific, irrational, senseless, unreasonable, preposterous, groundless, untenable, absurd, implausible, irrelevant, inconsistent, false, cockeyed, fallacious, fatuous, faulty, hollow, inconclusive, incongruous

Nearby words

  1. illitic,
  2. illness,
  3. illocution,
  4. illocutionary,
  5. illogic,
  6. illogicality,
  7. illth,
  8. illude,
  9. illume,
  10. illuminable

Origin of illogical

First recorded in 1580–90; il-2 + logical
Related formsil·log·i·cal·ly, adverbil·log·i·cal·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for illogical

British Dictionary definitions for illogical

illogical

/ (ɪˈlɒdʒɪkəl) /

adjective

characterized by lack of logic; senseless or unreasonable
disregarding logical principles
Derived Formsillogicality (ɪˌlɒdʒɪˈkælɪtɪ) or illogicalness, nounillogically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for illogical

illogical

adj.

1580s, from assimilated form of in- (1) "not, opposite of" + logical. Related: Illogically.

Online Etymology Dictionary, © 2010 Douglas Harper