illogical

[ ih-loj-i-kuhl ]
See synonyms for illogical on Thesaurus.com
adjective
  1. not logical; contrary to or disregardful of the rules of logic; unreasoning: an illogical reply.

Origin of illogical

1
First recorded in 1580–90; il-2 + logical

Other words for illogical

Other words from illogical

  • il·log·i·cal·ly, adverb
  • il·log·i·cal·ness, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use illogical in a sentence

  • The 18:1 disparity punishes black people disproportionally and illogically.

  • Actually Guy was enduring a violent jealousy, and illogically he began to declare how the others were jealous of him and Pauline.

    Plashers Mead | Compton Mackenzie
  • She grew reflective and silent over it, and then roused herself to wonder, illogically, why Gerry hadn't gone on talking.

    Somehow Good | William de Morgan
  • "I don't know," returned Carrie, still illogically drifting and finding nothing at which to catch.

    Sister Carrie | Theodore Dreiser
  • Illogically, I was feeling that to bully him was sheer brutality.

    The Firefly Of France | Marion Polk Angellotti
  • He had expected to be sent in with Magdaléna,—somewhat illogically, as no one suspected his engagement.

    The Californians | Gertrude Franklin Horn Atherton

British Dictionary definitions for illogical

illogical

/ (ɪˈlɒdʒɪkəl) /


adjective
  1. characterized by lack of logic; senseless or unreasonable

  2. disregarding logical principles

Derived forms of illogical

  • illogicality (ɪˌlɒdʒɪˈkælɪtɪ) or illogicalness, noun
  • illogically, 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