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illogical Definition

il·logi·cal (i läji kəl)

adjective

not logical or reasonable; using, based on, or caused by faulty reasoning

Etymology: < in- + logical

illogical Related Forms
il·log′i·cal·ity (-kali tē) noun or il·logi·cal·ness il·logi·cally adverb
illogical Synonyms

illogical

modif.

irrational, unreasonable, absurd, specious, fallacious, sophistical, inconsequent, unsubstantial, incorrect, inconsistent, false, flawed, casuistic, unscientific, paralogistic, contradictory, untenable, unsound, preposterous, invalid, self-contradictory, Kafkaesque, unproved, groundless, baseless, implausible, hollow, irrelevant, inconclusive, fatuous, senseless, incongruous, prejudiced, biased, unconnected, without foundation, not following, out of bounds, without basis, without rhyme or reason*, nutty*, screwy*, not ringing true*, wacky*, far out*, dopey*, having the cart before the horse*, Jesuitical*; see also fallible, wrong 2.

Antonyms sound, reasonable, logical*.

illogical Usage Examples

Modifying Another Word

  • utterly: Worse still, the New York Post lamented that it ' devolves into a best-forgotten clone of an utterly illogical X-Files episode ' .
  • totally: Not being feminist to me is just totally illogical.
  • somewhat: However the folks who codify the roads decided to be somewhat illogical here in their coding system.
  • completely: Well, this ' bigger is better ' thing is completely illogical.
  • entirely: Support for football teams - being a male thing - is an entirely illogical phenomenon.
  • quite: However, we have also seen quite illogical examples of where the state thinks it knows best.

Infinitive complement

  • say: It is equally illogical to say " There is NO God " .
  • assume: The argument is elegantly put, but it seems illogical to assume that the middle ground between these extremes is untenable in practice.
  • deny: It seems illogical to deny rights for performers to a sub-element of their performance.
  • allow: We believe it is illogical not to allow all forms of hunting to be decided by an independent registrar.
  • exclude: It would be illogical to exclude the primary public service broadcaster - the BBC - from its remit.

Modifies a noun

  • conclusion: It's beyond my understand how these illogical conclusions have been reached by many of our brothers!
  • thinking: Unfortunately, this was not to be my last run in with such illogical thinking.
  • argument: By promoting illogical argument it would lessen the chance of turning out individuals capable of clear thinking.
  • statement: As this is an illogical statement, how had the traffic experts come to that conclusion?
  • nature: BF: There is usually an illogical nature to your logic, I feel.
  • decision: India in West Indies 2006 Brian Lara's strange and illogical decision not to enforce the follow on let India off the hook.

Used with adjective complement

  • seem: Consequently, it seems illogical to bring my studying of the subject to such an abrupt end.
  • appear: Therefore, it appears illogical not to require performance criteria for options to be included in the graph.
  • become: As is so often the case a battle won leaves another to fight and the situation is becoming ever more illogical.

Browse dictionary entries near illogical

  1. illogic
  2. illocutionary
  3. illness
  4. illiterate
  5. illiteracy
  6. illite
  7. illiquid
  8. Illinoisan
  9. Illinois
  10. illinium
  1. illume
  2. illuminance
  3. illuminant
  4. illuminate
  5. illuminated
  6. illuminati
  7. illumination
  8. illuminative
  9. illuminator
  10. illumine