illogical


il·log·i·cal

adjective \-ji-kəl\

: not showing good judgment : not thinking about things in a reasonable or sensible way : not logical

Full Definition of ILLOGICAL

1
:  not observing the principles of logic <an illogical argument>
2
:  devoid of logic :  senseless <illogical policies>
il·log·i·cal·i·ty \-ˌlä-jə-ˈka-lə-tē\ noun
il·log·i·cal·ly \-ˈlä-ji-k(ə-)lē\ adverb
il·log·i·cal·ness \-kəl-nəs\ noun

Examples of ILLOGICAL

  1. It is illogical to think that things will change on their own.
  2. <the illogical claim that playing basketball makes people taller because one sees so many tall players>

First Known Use of ILLOGICAL

1588

Other Logic Terms

a posteriori, connotation, corollary, inference, mutually exclusive, paradox, postulate, syllogism

Browse

Next Word in the Dictionary: ill–omened
Previous Word in the Dictionary: illogic
All Words Near: illogical

Seen & Heard

What made you want to look up illogical? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More