il·log·i·cal | \ (ˌ)i(l)-ˈlä-ji-kəl \

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 \ noun
illogically \(ˌ)i(l)-ˈlä-ji-k(ə-)lē \ adverb
illogicalness \(ˌ)i(l)-ˈlä-ji-kəl-nəs \ 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

Basketball and football players deserve representation rights at least comparable to those available in college baseball and hockey, and denying them those rights is both unfair and illogical. Tim Sullivan, The Courier-Journal, "If you really want to stop cheating in college sports, change the rules | Tim Sullivan," 24 Feb. 2018 There is something totally illogical about edging to less than 10 feet of another airplane, and holding that position for minute after minute. Kyle Mizokami, Popular Mechanics, "B-52 Bombers Could Quadruple Their Wing Bomb Loads," 25 June 2018 At this point, the NFL needs to do something drastic in response to the way the league has allowed itself to get dragged into a loud, illogical debate over patriotism that has devolved into pettiness for political gain. David Haugh,, "NFL needs to consider stopping national anthem and White House visits to eliminate noise," 6 June 2018 His once private desires to win his father's approval now come packaged as angry tweets and memes tearing down his dad's opponents as illogical, histrionic socialists. Julia Ioffe, GQ, "The Real Story of Donald Trump Jr.," 21 June 2018 Maple syrup producers had rallied against the plan, saying the nutrition labels updates were misleading, illogical and confusing and could hurt their industries. Washington Post, "FDA reconsiders added sugar label for maple syrup, honey," 20 June 2018 Like the thousands of other NASA employees laid off throughout the years, the plastic man too seems affected by Congress’s illogical decision to cut the budget time and time again. Alex Beggs, Bon Appetit, "The Houston Restaurant That Astronauts—and My Grandparents—Hit Up for Lunch," 6 June 2018 My husband thinks my vague discomfort is illogical. Carolyn Hax, Detroit Free Press, "Couple considering IVF after loss of unborn child," 29 May 2018 The plot is an illogical mess of action scenes and joke setups. Joshua Rivera, GQ, "Deadpool 2 Review: It Spends Too Much Time Getting Itself Off," 19 May 2018

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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Statistics for illogical

Last Updated

6 Aug 2018

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Time Traveler for illogical

The first known use of illogical was in 1588

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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 \

Kids Definition of illogical

: not using or following good reasoning an illogical argument

Other words from illogical

illogically adverb

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