that's it
idiom
informal
1
—used to say that something is finished or completed
Okay, that's it. You can go now.
2
—used to say that something is all that is needed or wanted
I came here just to visit the museum and that's it.
3
—used to say that something is correct
"I can't remember his name." "I think it was Brian Johnson." "Yes, that's it."
4
—used in an angry or annoyed way to say that one will not accept any more of something
That's it! No more horseplay in the house.!
Examples of that's it in a Sentence
Recent Examples on the Web
When the pastries are gone on Saturday, that's it.
—
John Shumway, CBS News, 27 Feb. 2026
As soon as the Olympics are over, that's it.
—Becky Sullivan, NPR, 18 Feb. 2026
That’s the main thing, everybody have a good time, eat good, drink responsibly, and then that's it.
—Michaela Neville, Wired News, 9 Feb. 2026
There is some evidence about which strains are helpful in a select few conditions, but that's it.
—Amber J. Tresca, Verywell Health, 13 Jan. 2026
They're made with ripe bananas, flour, baking powder, and oil—that's it.
—Victoria Spencer, Martha Stewart, 1 Jan. 2026
Just asking for a little bit of leniency, that's it.
—Christina Coulter, PEOPLE, 23 Dec. 2025
More Mitchell Leff/Getty Images The only thing Manaea is good for right now is eating innings -- that's it.
—Drew Vonscio, MSNBC Newsweek, 11 Sep. 2025
Its focus system is pretty basic and includes face detection for people, but that's it.
—PC Magazine, 27 Aug. 2025
Examples are automatically compiled from online sources to
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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John Shumway, CBS News, 27 Feb. 2026
As soon as the Olympics are over, that's it.
—Becky Sullivan, NPR, 18 Feb. 2026
That’s the main thing, everybody have a good time, eat good, drink responsibly, and then that's it.
—Michaela Neville, Wired News, 9 Feb. 2026
There is some evidence about which strains are helpful in a select few conditions, but that's it.
—Amber J. Tresca, Verywell Health, 13 Jan. 2026
They're made with ripe bananas, flour, baking powder, and oil—that's it.
—Victoria Spencer, Martha Stewart, 1 Jan. 2026
Just asking for a little bit of leniency, that's it.
—Christina Coulter, PEOPLE, 23 Dec. 2025
More Mitchell Leff/Getty Images The only thing Manaea is good for right now is eating innings -- that's it.
—Drew Vonscio, MSNBC Newsweek, 11 Sep. 2025
Its focus system is pretty basic and includes face detection for people, but that's it.
—PC Magazine, 27 Aug. 2025
Cite this Entry
“That's it.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/that%27s%20it. Accessed 4 Mar. 2026.
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