\ˈȯl-ˈau̇t \

Definition of all-out 

(Entry 1 of 2)

1 : made with maximum effort : thoroughgoing an all-out effort to win the contest

all out


Definition of all out (Entry 2 of 2)

: with full determination or enthusiasm : with maximum effort used chiefly in the phrase go all out

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Examples of all-out in a Sentence


went all out for her New Year's Eve party—she even had fireworks!

Recent Examples on the Web: Adverb

Clearly, there are plenty of folks still catching ’em all out there. Adam Lukach, RedEye Chicago, "Drink 'em all with themed cocktails and Pokémon prizes at Replay's new pop-up bar," 1 June 2018 And thanks to a now-viral Twitter thread, health professionals are letting it all out, sharing the most emotional, inspirational, and gut-wretching moments of their careers. Blake Bakkila,, "Doctors and Nurses Are Sharing the Most Incredible Stories of Life and Death in This Viral Twitter Thread," 8 May 2018 And bringing them all out safely, officials said, would be even harder than locating them. New York Times, "In Daring Underwater Cave Rescue, 4 of 13 Thai Are Freed," 8 July 2018 Music City July 4th: Let Freedom Sing!, Nashville Nashville goes all out for the 4th of July, with a full day of free music (the lineup includes Lady Antebellum and Kid Politics) and fireworks choreographed to a live set from the Nashville Symphony. Jenna Scherer, Condé Nast Traveler, "The Best 4th of July Fireworks in the USA," 27 June 2018 The best way to appreciate the size difference between objects is just to lay 'em all out in a row and behold. Andrew Moseman, Popular Mechanics, "This Two-Minute Video Lines Up U.S. Military Weapons From Small to Large," 28 Apr. 2016 While some schools go all out and throw prom at an event space off campus, homecoming is usually held in the school’s gym. Carolyn Twersky, Seventeen, "What is Homecoming?," 9 July 2018 Some of these par-4s will entice her to go all out. Teddy Greenstein,, "Chicago’s version of Augusta National plays host to inaugural U.S. Senior Women’s Open," 5 July 2018 Cousins really went all out at his youth camp last week. Alysha Tsuji, For The Win, "Tom Brady shows no mercy in dodgeball," 5 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'all-out.' 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 all-out


1893, in the meaning defined at sense 1


1840, in the meaning defined above

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Dictionary Entries near all-out





all out


all over

Statistics for all-out

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Time Traveler for all-out

The first known use of all-out was in 1840

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More Definitions for all-out



English Language Learners Definition of all-out

: made or done with as much effort as possible

: fully developed



Kids Definition of all-out

: as great as possible We made an all-out effort to get there on time.

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Comments on all-out

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


a generally accepted meaning of a word

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