all-in

1 of 2

adjective (1)

Synonyms of all-innext
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
Ice Box is an all-in-one, emergency and estate planner that organizes over 35 categories of essential documents, accounts, keys and instructions for both you and your next of kin. Tory Johnson, ABC News, 16 Feb. 2026 Sivan grew up as a popular YouTuber in the 2010s before going all-in on pop stardom. Larisha Paul, Rolling Stone, 15 Feb. 2026 The Dutch were all-in on Kok for the shorter sprint. Sean Gregory, Time, 15 Feb. 2026 And in 2025, to celebrate the Air Max 95’s 30th anniversary, Nike went all-in with a true-to-OG Big Bubble redesign, which has been universally praised by industry insiders and consumers alike. Riley Jones, Footwear News, 14 Feb. 2026 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 19 Feb. 2026.

Last Updated: - Updated example sentences
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