all-in

1 of 2

adjective (1)

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

all in

2 of 2

adjective (2)

variants or less commonly all-in
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 team is all-in for a championship bid this year.
often used in the phrase go all in
With 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 Grochowski

Examples of all-in in a Sentence

Adjective (1) all-in seven-day tour of Scotland Adjective (2) was all in after an evening of dancing and partying
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
The New York Times reported today that Mark Zuckerberg and Priscilla Chan’s philanthropy, the Chan Zuckerberg Initiative, is going all-in on AI. Sharon Goldman, Fortune, 6 Nov. 2025 So the 49ers went with a pat hand rather than going all-in on a deal that could affect the future. Jerry McDonald, Mercury News, 6 Nov. 2025 Rachmansky went all-in on what set his company apart, building a B2B model designed to service the growing amount of independent stores that were popping up seemingly overnight. Riley Jones, Footwear News, 4 Nov. 2025 This all-in form of college sports accounting has been championed by economists who believe the siloed nature of many athletic departments force them to make financial decisions without properly weighing the campus-wide impact. Eben Novy-Williams, Sportico.com, 4 Nov. 2025 See All Example Sentences for all-in

Word History

First Known Use

Adjective (1)

1886, in the meaning defined at sense 1

Adjective (2)

1901, in the meaning defined at sense 1

Time Traveler
The first known use of all-in was in 1886

Browse Nearby Words

Cite this Entry

“All-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all-in. Accessed 13 Nov. 2025.

Last Updated: - Updated example sentences
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