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 illogical (audio) \ noun
illogically \ (ˌ)i(l)-​ˈlä-​ji-​k(ə-​)lē How to pronounce illogical (audio) \ adverb
illogicalness \ (ˌ)i(l)-​ˈlä-​ji-​kəl-​nəs How to pronounce illogical (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 By any reasonable standard, that’s illogical, especially since patrons can stay masked throughout arts events and do not have to remove their face coverings in order to eat and drink during a show. Chris Jones,, "Column: A restaurant room and inside of the Auditorium Theatre both capped at 50 people? Pritzker’s plan needs a new Phase 4.5," 4 Mar. 2021 Though his sentiment is shared by many, this statement is immoral and illogical. Gabrielle A. Perry,, "Imprisoned People’s Lives Matter — But You Wouldn’t Know It From The COVID Vaccination Rollout," 18 Feb. 2021 The murky and illogical territory of dreams and nightmares has always provided fertile ground for filmmakers. Lindsey Bahr, Star Tribune, "Review: A moody and unsettling lo-fi dream in 'Come True'," 10 Mar. 2021 The stories people hold of the origin and intent of unknown particles can and do lead to sometimes illogical conclusions about other people. Lisa J. Hardy, STAT, "Staying safe in the time of coronavirus: pay attention to ‘the guy you know’," 18 Jan. 2021 Demanding neutrality for just one part of the internet is illogical. Roslyn Layton, Forbes, "The Economics Of California’s Net Neutrality Law," 25 Feb. 2021 Families are inherently messy and illogical, and the neat hero-villain frame the series superimposes doesn’t exactly fit. Sophie Gilbert, The Atlantic, "The Awful Intimacy of Allen v. Farrow," 23 Feb. 2021 Keep your cool when the things that people do seem illogical. Tribune Content Agency, oregonlive, "Horoscope for Feb. 20, 2021: Aries, you’ll get stuff done this weekend; Aquarius, keep your cool," 20 Feb. 2021 Doing so is even more illogical when a system with an infrastructure, staff, and experience to respond to emergencies is passed over in the process. Charles Pozner, Wired, "Let Fire Stations and EMS Crews Administer Covid Vaccines," 22 Jan. 2021

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

Time Traveler

The first known use of illogical was in 1588

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Statistics for illogical

Last Updated

4 Apr 2021

Cite this Entry

“Illogical.” Dictionary, Merriam-Webster, Accessed 11 Apr. 2021.

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More Definitions for illogical



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

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