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
Others noted that many of the rules are reasonable in theory but took issue with the tone of the message.
—
Toria Sheffield, People.com, 11 Jan. 2025
So how did the Heat get here, facing a nuclear option, at least in theory, of having to give up elite draft capital in 2026 and ’28?
—Ira Winderman, Sun Sentinel, 7 Jan. 2025
At least in theory, a self-driving car could largely render a mass-killing attack of this type impossible, some experts said.
—Max Zahn, ABC News, 2 Jan. 2025
Just be wary of gyms boasting tons of shiny new amenities that sound cool in theory but really don’t do it for you.
—Christa Sgobba, SELF, 28 Dec. 2024
See all Example Sentences for in theory 
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Toria Sheffield, People.com, 11 Jan. 2025
So how did the Heat get here, facing a nuclear option, at least in theory, of having to give up elite draft capital in 2026 and ’28?
—Ira Winderman, Sun Sentinel, 7 Jan. 2025
At least in theory, a self-driving car could largely render a mass-killing attack of this type impossible, some experts said.
—Max Zahn, ABC News, 2 Jan. 2025
Just be wary of gyms boasting tons of shiny new amenities that sound cool in theory but really don’t do it for you.
—Christa Sgobba, SELF, 28 Dec. 2024
See all Example Sentences for in theory
Dictionary Entries Near in theory
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“In theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20theory. Accessed 14 Jan. 2025.
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