il·​log·​i·​cal (ˌ)i(l)-ˈlä-ji-kəl How to pronounce illogical (audio)
: not observing the principles of logic
an illogical argument
: 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 Whatever drew this strong cast to Niclas Larsson’s debut feature remains elusive in the finished product, which stirs up questions about the illogical situation the characters find themselves in but never inspires a compelling need to answer them. Sheri Linden, The Hollywood Reporter, 13 Sep. 2023 This progresses to disorganized or illogical thinking. Emilie Le Beau Lucchesi, Discover Magazine, 25 July 2023 Taken to its illogical extreme, Russia is liberating Ukrainians from the degenerate Westerners tricking them into turning against their Russian brothers. Michael S. Neiberg, Washington Post, 12 June 2023 Here are 5 possibilities, some logical, some completely illogical. The Indianapolis Star, 8 May 2023 If that sounds illogical, welcome to sports fandom, said Paul Pierce, a Hall of Famer who hosts a podcast for Showtime. Sopan Deb, New York Times, 28 Apr. 2023 But such insurance plan structures are illogical and wrong for a person diagnosed with cancer for whom an unexpected, high volume of expensive medical services is necessary for survival. Ezekiel J. Emanuel, STAT, 23 May 2023 Then there is Andrey Rublev, another Russian, who described grass as a maddening, anxiety-provoking form of tennis, with short rallies and results that could seem illogical. Matthew Futterman, New York Times, 8 July 2023 Although your friends are not alone in their opinion, Miss Manners hopes fundraisers will not rely on such illogical passivity. Miss Manners | Judith Martin, Anchorage Daily News, 6 July 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'illogical.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1588, in the meaning defined at sense 1

Time Traveler
The first known use of illogical was in 1588

Dictionary Entries Near illogical

Cite this Entry

“Illogical.” Dictionary, Merriam-Webster, Accessed 3 Oct. 2023.

Kids Definition


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

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