all in

all in adjective: very tired.

Adjective

all in (not comparable)

(dated) Very tired.
- [Yawn] Well, I'm all in! Time to turn in! Good night all!
- 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.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
(UK) With everything included.

Synonyms:

all-inclusive
Having no further stake to wager, but remaining active in a hand.
- By betting his last $100, John was all in.
Totally committed.
- John is now all in on getting this product to market by year end, come hell or high water.

all in (comparative more all in, superlative most all in)

Synonym of all in all.
- All in, one could perhaps be excused for thinking the right way to answer my employer’s question concerning my “pattern of sexual, emotional, and/or romantic attraction to men, women, and/or people of other genders” is not to tick the “I prefer not to answer” box but to opt instead for a respectful...2026 July 19, Paul Abela, “Of course my employers need certain private information — but their questions are getting more uncomfortable, and I think I know why. Opinion column”, in The Toronto Star
Synonyms:

all in all

all in (plural all ins)

A hand where at least one player bets all of his or her chips.
A player who is all in.
- Since she was against an all in, Jill had no reason to bet.

I was ‘all in’ and ready for bed, but then we had to separate the milk.1933, Frank Clune, Try Anything Once, Sydney: Angus and Robertson, page 27:
She looked all in, no doubt of that, but the lilt was there.1955, Rex Stout, “The Next Witness”, in Three Witnesses, Bantam edition, Viking Press, published Oct 1994, →ISBN, page 51:

What does all in mean?: All in means very tired.
What is all in in Vietnamese?: All in in Vietnamese is trọn gói. See All in meaning in Vietnamese.
How do you use all in in a sentence?: I was ‘all in’ and ready for bed, but then we had to separate the milk.
What part of speech is all in?: All in can be an adjective, an adverb or a noun.

Adapted from Wiktionary: all in (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this entry: “all in.” Word.ws, https://word.ws/all_in. Based on Wiktionary, CC BY-SA 4.0.