1
chiefly British
: all-inclusive
2
chiefly British
: being almost without restrictions
all-in wrestling
variants
or less commonly all-in
1
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 Grochowski
Cite this Entry
“All-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all-in. Accessed 13 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share