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.
When the world is falling apart, all the illogical perceptions fall away, leaving only what matters standing, and that which matters is no longer veiled by those perceptions. Cathrine Todd, Forbes, 23 Mar. 2025 That such sentimentality can come across in a story as disturbing as Mickey’s may sound illogical. Shirley Li, The Atlantic, 7 Mar. 2025 Moreover, reality is incredibly illogical and multi-faceted, and people are so inconsistent and full of contradictions. Annika Pham, Variety, 23 Jan. 2025 This is not illogical, in the same way that any blackmail makes sense on paper. Ross Rosenfeld, Newsweek, 26 Feb. 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

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Cite this Entry

“Illogical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/illogical. Accessed 2 Apr. 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
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