il·​log·​i·​cal | \ (ˌ)i(l)-ˈlä-ji-kəl How to pronounce illogical (audio) \

Definition of illogical

1 : not observing the principles of logic an illogical argument
2 : devoid of logic : senseless illogical policies

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Other Words from illogical

illogicality \ (ˌ)i(l)-​ˌlä-​jə-​ˈka-​lə-​tē How to pronounce illogicality (audio) \ noun
illogically \ (ˌ)i(l)-​ˈlä-​ji-​k(ə-​)lē How to pronounce illogically (audio) \ adverb
illogicalness \ (ˌ)i(l)-​ˈlä-​ji-​kəl-​nəs How to pronounce illogicalness (audio) \ 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 This is why many decisions are illogical, inconsistent and suboptimal. Karthik Kannan, The Conversation, "How can we make sure that algorithms are fair?," 16 Dec. 2019 Donald Trump’s remarks are totally absurd and illogical. Adam Taylor, Washington Post, "83 not-very-flattering things foreign officials have said about Trump," 7 Dec. 2019 But that comparison is under-drawn and illogical; a few people stuck on a massive steel life raft for several decades cannot have much to do with rising sea levels and whatever else is eating the rest of the world. New York Times, "Review: In ‘Terra Firma,’ a Wee Wet Country on the Brink," 10 Oct. 2019 The millennial dystopian attitude is not totally illogical. Seth Shostak, Quartz, "Humanity will outlive climate change and nuclear war, no matter how bad it gets," 26 Sep. 2019 The series of guidance cuts under Roman has been sloppy and, at times, illogical. Washington Post, "3M Enters Hall of Fame of Disappointments," 24 Oct. 2019 The president of the United States is in the events business too—a not altogether illogical progression from his previous career in the unscripted television industry. Adam Lashinsky, Fortune, "Digging Into Trump’s Secretive Guest List for His ‘Social Media Summit’—Data Sheet," 11 July 2019 Still, the rant raised an illogical but interesting question: Do child-free people have a right to attend a Disney (or any) theme park? Scott Craven, azcentral, "Is going to Disneyland or Disney World more fun without kids? Definitely. Here's why.," 2 Aug. 2019 The judge, however, found the company's contention illogical because the pods in fact aren't recyclable through any recycling facility in the country. Kate Gibson, CBS News, "Suit charges Keurig's coffee pods aren't recyclable as advertised," 11 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'illogical.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of illogical

1588, in the meaning defined at sense 1

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Time Traveler for illogical

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The first known use of illogical was in 1588

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Statistics for illogical

Last Updated

24 Dec 2019

Cite this Entry

“Illogical.” The Dictionary, Merriam-Webster Inc., Accessed 19 January 2020.

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More Definitions for illogical


How to pronounce illogical (audio)

English Language Learners Definition of illogical

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


il·​log·​i·​cal | \ i-ˈlä-ji-kəl How to pronounce illogical (audio) \

Kids Definition of illogical

: not using or following good reasoning an illogical argument

Other Words from illogical

illogically adverb

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Comments on illogical

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


to insert between existing elements

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