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

There are facts, there is male and there is female, that's it. —The Arizona Republic, 7 Mar. 2024

The holiday gets a couple of mentions, but that's it. —Diana Pearl, Peoplemag, 10 Nov. 2023

Canned pumpkin puree is 100% straight-up pumpkin, that's it. —Southern Living Test Kitchen, Southern Living, 4 Nov. 2023

Base and Turbo clock speeds across the P- and E-cores increase by 100 or 200 MHz, but that's it. —Andrew Cunningham, Ars Technica, 17 Oct. 2023

The star is fresh out of the bath with her blonde hair air dried and only moisturizer on her face — that's it. —Kara Nesvig, Allure, 6 Oct. 2023

Thirty-seven years, that's it — we're all stuck together. —Dory Jackson, Peoplemag, 26 July 2023

But one relapse, and because it was fentanyl instead of heroin or crack, that's it. —Nbc Universal, NBC News, 2 July 2023

Flavor the broth with onion, garlic, and salt—that's it! —Bhg Test Kitchen, Better Homes & Gardens, 15 May 2023