Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Contradicting or disregarding the principles of logic.
  • adjective Without logic; senseless.

from The Century Dictionary.

  • Ignorant or negligent of the rules of logic or sound reasoning: as, an illogical disputant.
  • Contrary to the rules of logic or sound reasoning: as, an illogical inference.
  • Synonyms Inconclusive, inconsequent, unsound, fallacious, sophistical.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Ignorant or negligent of the rules of logic or correct reasoning; ; contrary of the rules of logic or sound reasoning.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Contrary to logic; lacking sense or sound reasoning.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective lacking orderly continuity
  • adjective lacking in correct logical relation

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

il- +‎ logical

Examples

Comments

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