that's that

Idioms  

1. Also, that takes care of that. There's no more to be said or done; the matter is finished, the issue is settled. For example, Dad's not buying you a television set, and that's that, or We've paid all we owe, and that takes care of that. [Early 1800s]

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Example Sentences

See Examples For:

that's that

"I didn't like the way that he was just brushed off... he's gone over and that's that," she says.

From BBC ● Apr. 29, 2026

“People shouldn’t care to hear my opinion. I didn’t have a phone for 18 months… I hate to be the artist that’s that aloof, but I’m so disconnected from what’s happening.”

From Salon ● Feb. 4, 2026

“I always say there’s one thing for sure I know about where oil and gas prices are going, and that’s that I don’t know.”

From The Wall Street Journal ● Nov. 21, 2025

I’m in love with my person, that’s that.

From New York Times ● Feb. 1, 2024

So I won’t, she said to herself, and that’s that.

From "Julie of the Wolves" by Jean Craighead George