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.
All of which is to say, this rebound isn't totally illogical. Kelly Evans, CNBC, 25 June 2025 This is not a regime worth defending, and recent progressive attempts to link the situation in Iran with the war in Iraq, ostensibly fought over weapons of mass destruction that did not prove to exist at scale, are illogical. The Editorial Board, Chicago Tribune, 22 June 2025 That nobody has to this point is illogical, particularly in light of the fees being committed to transfers in the European market. Phil Hay, New York Times, 17 June 2025 Read more: How to Manage Your Climate Guilt Meanwhile, the same system has given rise to what can only be described as illogical trade—the global exchange of identical products, where countries import and export the same foods, often across vast distances. Nathalie Kelley, Time, 17 June 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 4 Jul. 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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