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
Plus, some key elements of the now idled groundwater system were close to the Fox River, a potential problem in theory — though Zylstra said those sites did not flood this week.
—
Jim Riccioli, jsonline.com, 14 Aug. 2025
Targeting good fixtures means a higher chance of goals, clean sheets and points, in theory.
—Abdul Rehman, New York Times, 12 Aug. 2025
Although the idea sounds good in theory, industry professionals have largely advised against this because an unwatched open door can strain a home's air conditioning, pose a security risk, welcome unwanted pests and put strain on a garage door's mechanisms.
—Greta Cross, USA Today, 2 Aug. 2025
In this new world, in theory, Chicago would no longer be the main locus of moving cars from one railroad to another.
—The Editorial Board, Chicago Tribune, 1 Aug. 2025
See All Example Sentences for in theory
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Jim Riccioli, jsonline.com, 14 Aug. 2025
Targeting good fixtures means a higher chance of goals, clean sheets and points, in theory.
—Abdul Rehman, New York Times, 12 Aug. 2025
Although the idea sounds good in theory, industry professionals have largely advised against this because an unwatched open door can strain a home's air conditioning, pose a security risk, welcome unwanted pests and put strain on a garage door's mechanisms.
—Greta Cross, USA Today, 2 Aug. 2025
In this new world, in theory, Chicago would no longer be the main locus of moving cars from one railroad to another.
—The Editorial Board, Chicago Tribune, 1 Aug. 2025
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 20 Aug. 2025.
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