Thesaurus.com
Dictionary.com
Showing results for theory. Search instead for theophy.
Definitions

theory

[thee-uh-ree, theer-ee] / ˈθi ə ri, ˈθɪər i /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Casias' disappearance featured prominently in a growing online conspiracy theory earlier this year about the deaths and disappearances of at least 10 people with ties to US scientific research.

From BBC • Jun. 2, 2026

Rick Rubin once said to me — he has a theory about album track lists where he thinks that the first four songs are totally crucial.

From Los Angeles Times • Jun. 1, 2026

In this case, that meant pulling from both algebraic number theory and discrete geometry, which have about as much in common as the marathon and pole vault.

From The Wall Street Journal • May 30, 2026

Yale economist Robert Shiller is widely credited with developing much of the theory behind perpetual futures contracts back in the 1990s.

From MarketWatch • May 29, 2026

A credit default swap on a thirty-year subprime mortgage bond was a bet designed to last for thirty years, in theory.

From "The Big Short" by Michael Lewis




Vocabulary lists containing theory


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "theory" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com