in theory
idiom
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
Recent Examples on the Web
Trump’s idea, in theory, is to reduce demand from institutional buyers and thus lower prices.
—
Michael Khouw, CNBC, 8 Jan. 2026
Even at the presidential level – where personal legacy should, in theory, be most sensitive – scandals barely leave a dent.
—Brandon Rottinghaus, Washington Post, 7 Jan. 2026
Atlanta could, in theory, both clear payroll for next season and improve in the short term.
—Tyler Estep, AJC.com, 7 Jan. 2026
February brings a rare reset as Saturn and Neptune meet in your sign, asking you to merge your visions with your current reality and stop chasing love that only exists in theory.
—Valerie Mesa, PEOPLE, 7 Jan. 2026
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Michael Khouw, CNBC, 8 Jan. 2026
Even at the presidential level – where personal legacy should, in theory, be most sensitive – scandals barely leave a dent.
—Brandon Rottinghaus, Washington Post, 7 Jan. 2026
Atlanta could, in theory, both clear payroll for next season and improve in the short term.
—Tyler Estep, AJC.com, 7 Jan. 2026
February brings a rare reset as Saturn and Neptune meet in your sign, asking you to merge your visions with your current reality and stop chasing love that only exists in theory.
—Valerie Mesa, PEOPLE, 7 Jan. 2026
See All Example Sentences for in theory
Cite this Entry
“In theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20theory. Accessed 10 Jan. 2026.
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