that is that
idiom
variants
or that's that
—used to say that a decision or situation cannot be changed
I won't sell it for less than 50 dollars and that is that.
I'm not going and that's that.
Examples of that is that in a Sentence
Recent Examples on the Web
The nice thing about that is that because the OEMs are quite competitive with one another, a higher revenue share from search is like a subsidy to the phone.
—
Ben Guarino, Scientific American, 7 Aug. 2024
And one of the lessons that cryptography took from that is that trying to build security by having a very complicated system like the Enigma is actually not going to succeed.
—Quanta Magazine, 1 Aug. 2024
The downside of that is that’s such a flash in a pan.
—Brenna Ehrlich, Rolling Stone, 18 June 2024
The simplest explanation for that is that there's an additional mass holding them in place.
—John Timmer, Ars Technica, 10 July 2024
See all Example Sentences for that is that 
Ben Guarino, Scientific American, 7 Aug. 2024
And one of the lessons that cryptography took from that is that trying to build security by having a very complicated system like the Enigma is actually not going to succeed.
—Quanta Magazine, 1 Aug. 2024
The downside of that is that’s such a flash in a pan.
—Brenna Ehrlich, Rolling Stone, 18 June 2024
The simplest explanation for that is that there's an additional mass holding them in place.
—John Timmer, Ars Technica, 10 July 2024
See all Example Sentences for that is that
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'that is that.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“That is that.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/that%20is%20that. Accessed 7 Sep. 2024.
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