all in

• all-in

all in (not comparable)

1. (somewhat dated) Very tired.
   • 1927 November 10, Aldo Leopold, “Part 2, Country: The Gila, 1927”, in Round River: From the Journals of Aldo Leopold, New York: Oxford University Press, published 1953:

     By half past seven we were both pretty nearly all in, and wet from innumerable fordings of the river, so we stopped and boiled some hot water with the sugar left over from lunch.

   • 1955, Rex Stout, “The Next Witness”, in Three Witnesses, Bantam edition, Viking Press, published Oct 1994, →ISBN, page 51:

     Either the celebrated lilt of her voice was born in, or she had used it so much and so long that it might as well have been. She looked all in, no doubt of that, but the lilt was there.

2. (chiefly UK) With everything included.

   Synonym: all-inclusive

3. (poker) Having no further stake to wager, but remaining active in a hand.

   By betting his last $100, John was all in.

• all out, all-out

• pot committed

all in (plural all ins)

1. (poker) A hand where at least one player bets all of his or her chips.
2. (poker) A player who is all in.

   Since she was against an all in, Jill had no reason to bet.

• Naill, nilla, Llani, in all, Niall