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

Recent Examples on the Web

In transitioning the team from physical to technical, De Zerbi is, in theory, raising the ceiling. — Elias Burke, New York Times, 9 Sep. 2026

Brownstoner reported last month that the new owners could in theory construct at least a four- or five-story building, potentially even higher if setbacks and affordable housing come into the fold. — Matthew Sedacca, Curbed, 3 Sep. 2026

Guests can choose between a four- or six-course tasting menu, or opt for à la carte Italian classics—simple in theory, but rich in flavor and execution. — Condé Nast, Condé Nast Traveler, 3 Sep. 2026

Performances alternated between two stages—Marigold and Dandelion—without overlap, in theory giving all forty-five thousand attendees a shot at laying eyes and/or ears on every set. — Lauren Michele Jackson, New Yorker, 2 Sep. 2026

Rhymes for in theory

• kashmiri
• beery
• bleary
• cheery
• cirri
• dearie
• deary
• dreary
• eerie
• kiri
• leary
• leery