in theory

Meaning

1. Oxford100% of films

   used to say that a particular statement is supposed to be true but may in fact be wrong

   In theory, I can trigger an isolated sonic shift among the molecules, and the door should disintegrate.

   In theory we could just fuckin stay here.

In the movies · 5

• He goes, "Well, in theory, we're both millionaires.The Notebook2004
• In theory, I can trigger an isolated sonic shift among the molecules, and the door should disintegrate.Doctor Who: The Day of the Doctor2013
• In theory.Bo Burnham: Inside2021
• Heat generates fire. In theory.The Hunger Games: Catching Fire2013
• Yeah, in theory, sir.Hidden Figures2016
• In theory, the universe has six dimensions.Happy Death Day 2U2019
• That's a good idea in theory, but you made a family arrangement.Bridget Jones: The Edge of Reason2004
• In theory we could just fuckin stay here.This Is the End2013

Learn it in full scenes

• This Is the End2013
  • Seth Picks Jay Up at LAX
  • Seth Talks Jay Into the Party
  • Franco Gives the House Tour

More idioms

• make certain
• not just yet
• not later than
• in reality
• give a whirl
• at first sight
• throw in the towel
• black and white
• get what you deserve
• put on the spot
• at the drop of a hat
• be all in mind