adjective (1)
\ ˌȯl-ˈin How to pronounce all-in (audio) \

Definition of all-in

 (Entry 1 of 2)

1 chiefly British : all-inclusive
2 chiefly British : being almost without restrictions all-in wrestling

all in

adjective (2)
variants: or less commonly all-in \ ˌȯl-​ˈin How to pronounce all-in (audio) \

Definition of all in (Entry 2 of 2)

1 : tired, exhausted Atticus said as tactfully as he could that he just didn't think he could stand a pageant tonight, he was all in.— Harper Lee Inside, the invalid had gone to bed; her mother said, "She was all in," and expressed pity for her, for the first time.— Edna O'Brien
2 : fully committed to or involved in something The Diamondbacks are all-in for this year. It's why they brought in J. D. Martinez at the trade deadline. They have a healthy mix of young and veteran players, and they're looking to make a run this October.— Kevin Skiver often used in the phrase go all inWith my bonus in tow, I got the far-fetched idea I didn't feel like working that type of pace anymore. So I went all in on real estate on my own.— Philip Michael

Note: In poker, to go all in is to bet everything on a hand.

The best my opponent could have at this point was a 5-high straight, so I went all in—my full $220,000 was riding on this hand. The last card was a Jack—and I was out.— John Rochowski

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Examples of all-in in a Sentence

Adjective (2) was all in after an evening of dancing and partying
Recent Examples on the Web: Adjective The two bantamweights are coming off a stirring trilogy — all in a 10-month span — in which two of the three fights were declared a draw, with the other going to Franco by split decision., "Joshua Franco, Hector Tanajara eye San Antonio boxing debuts," 27 Dec. 2019 Now, a study of two dozen terms related to emotion in nearly 2500 languages suggests those misunderstandings aren’t all in your head. Catherine Matacic, Science | AAAS, "What is love? It depends which language you speak," 19 Dec. 2019 The phone, messages, browser and camera application icons are all in this red and black color scheme. Jacob Krol, CNN Underscored, "We went hands-on with the Note 10+ 'Star Wars' Edition and the force is strong," 12 Dec. 2019 To take it all in, there’s a reading room corner with leather couches tucked into stocked bookshelves. Josie Sexton, The Know, "This new coffee shop and bar at the edge of RiNo is a high-design surprise," 10 Dec. 2019 Hell, on the cover of the New York Post: a ripe banana duct-taped to the wall, all in the name of art. Elise Taylor, Vogue, "The $120,000 Art Basel Banana, Explained," 10 Dec. 2019 Others segments focus on West’s troupe of gospel singers, who are all in monochromic clothing. Spencer Kornhaber, The Atlantic, "Kanye West’s Austere Reform Church," 25 Oct. 2019 Like in any family, there is a spirit of competition that is all in good fun. Michael Walsh,, "Simsbury Chili Challenge Returns Oct. 20," 7 Oct. 2019 Prosecutors referenced the autopsy report during the sentencing hearing which showed that they boy was hit in the head, twice in the right hand, and also suffered a graze wound to the back – all in close range. NBC News, "Chicago gang members sentenced to a combined 155 years in prison for execution-style killing of 9-year-old boy," 18 Dec. 2019

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

Adjective (1)

1890, in the meaning defined at sense 1

Adjective (2)

1901, in the meaning defined at sense 1

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Time Traveler for all-in

Time Traveler

The first known use of all-in was in 1890

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Cite this Entry

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

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More Definitions for all-in


How to pronounce all in (audio)

English Language Learners Definition of all-in

informal : very tired
: allowing almost any technique or method

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Rhyming Dictionary: Words that rhyme with all-in

Comments on all-in

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


to insert between existing elements

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