illogical

adjective

il·​log·​i·​cal (ˌ)i(l)-ˈlä-ji-kəl How to pronounce illogical (audio)
1
: not observing the principles of logic
an illogical argument
2
: devoid of logic : senseless
illogical policies
illogically adverb
illogicalness noun

Examples of illogical in a Sentence

It is illogical to think that things will change on their own. the illogical claim that playing basketball makes people taller because one sees so many tall players
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Which was probably to be expected, given that making a new entry in this franchise doesn’t require jumping through too many illogical hoops or reinventing an outdated conceit. Bilge Ebiri, Vulture, 16 May 2025 His insight and unconventional approach to understanding human behavior lead him and the team on a series of intense, unexpected journeys to solve illogical puzzles and perplexing mysteries. Nellie Andreeva, Deadline, 9 May 2025 Life gets weird sometimes — fickle, illogical, dreamlike. Leslie Katz, Forbes.com, 8 May 2025 Pike’s stairs, however, are an M.C. Esher–esque illogical maze, full of steep drop-offs and impossible turns. Rebecca Alter, Vulture, 29 Apr. 2025 See All Example Sentences for illogical

Word History

First Known Use

1588, in the meaning defined at sense 1

Time Traveler
The first known use of illogical was in 1588

Browse Nearby Words

Cite this Entry

“Illogical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/illogical. Accessed 29 May. 2025.

Kids Definition

illogical

adjective
il·​log·​i·​cal (ˈ)il-ˈ(l)äj-i-kəl How to pronounce illogical (audio)
: not using or following good reasoning
illogically adverb

More from Merriam-Webster on illogical

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!