in theory

phrase

1
—used to say what should happen or be true if a theory is correct
In theory, the reading skills of the students should improve.
2
—used to say that something seems to be true or possible as an idea but may not actually be true or possible
I agree with you in theory, but realistically I don't think we have the time to do that.

Examples of in theory in a Sentence

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Real Transformation Requires Difficult Decisions Institutional transformation is often discussed in theory. — Irma Becerra, Forbes.com, 6 Oct. 2026 So, in theory, Suzuki identified two areas where having Kreider on his wing would call for a few adjustments. — Arpon Basu, New York Times, 3 Oct. 2026 PopZao, in theory, allows anyone with a following—now just massive IP machines—to develop merchandise. — Nicholas Gordon, Fortune, 2 Oct. 2026 An increase to the benchmark interest rate raises borrowing costs for consumers and businesses, which in theory should slash inflation by slowing the economy and eating away at demand. — Max Zahn, ABC News, 2 Oct. 2026 See All Example Sentences for in theory

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Cite this Entry

“In theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20theory. Accessed 9 Oct. 2026.

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