How to Use theory in a Sentence

theory

noun

• Her method is based on the theory that all children want to learn.
• There are a number of different theories about the cause of the disease.
• She proposed a theory of her own.
• There is no evidence to support such a theory.
• He is a specialist in film theory and criticism.
• Investigators rejected the theory that the death was accidental.
• Let the facts drive the theory, not the other way around.
  — John Wenzel, The Know, 25 Aug. 2019
• What was your favorite fan theory about who was in the car?
  — Dan Snierson, EW.com, 12 Jan. 2022
• In theory, that would confirm that the ball was was short of the marker.
  — Peter Dawson, star-telegram, 30 Jan. 2018
• One theory for this change of plan has to do with status.
  — Stephania Taladrid, The New Yorker, 26 Oct. 2019
• So far, the past couple of years have proven that theory wrong.
  — Samuel Axon, Ars Technica, 31 July 2019
• In theory, both would have their stuff play up in short stints.
  — Los Angeles Times, 3 Aug. 2019
• This week, the process offered clues about each side’s theory of the case.
  — Deanna Paul, WSJ, 17 Jan. 2020
• That would fill the supply chain and, in theory, bring prices down.
  — Josh Boak, ajc, 9 Mar. 2022
• In theory, the third dose would boost the immune response.
  — Lois K. Solomon, sun-sentinel.com, 11 Oct. 2021
• At least in theory, all of these ideas could light the way to a healthy pluralism.
  — Richard Just, Washington Post, 28 Oct. 2020
• Because the theory was, the Colts couldn't win this game.
  — Indystar Sports, Indianapolis Star, 31 Aug. 2019
• Rooke has a theory about what form this photo will take.
  — Glamour, 10 Apr. 2019
• But this week could bring some closure to those theories.
  — Caroline Hallemann, Town & Country, 26 Oct. 2017
• In theory, that should cool demand and prices over time.
  — Nicole Goodkind, CNN, 31 Aug. 2022
• There are a number of theories that may explain the declines in drug use.
  — New York Times, 23 June 2019
• In theory, that’s not how the market is supposed to work.
  — Justin Worland/houston, Time, 10 Mar. 2022
• And there's a new, compelling theory making the rounds.
  — Christopher Rosa, Glamour, 12 Nov. 2021
• That said, the concept is a lot cooler in theory than in practice.
  — Marina Khorosh, Vogue, 29 Oct. 2020
• That way, a retiree in theory is able to avoid selling when stocks are down.
  — Janet Kidd Stewart, The Seattle Times, 22 Feb. 2018
• Corey Levy has done his research and come up with his own theory.
  — Jeff Vorva, Chicago Tribune, 16 Feb. 2023
• There have been questions about the legal theory that part of it, at least, is based on.
  — CBS News, 26 Mar. 2023
• This isn’t the first time Johnson’s theory has been aired.
  — Washington Post, 28 Oct. 2017
• Here’s my theory: Too many got a taste of not working and liked it.
  — Andy Kessler, WSJ, 25 Sep. 2022
• Yet on Monday those theories too appeared to be put to rest.
  — Will Knight, WIRED, 21 Nov. 2023

Last Updated: 27 Mar 2024