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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.

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But I do see yearning as more of a practice than a theory these days.

From Los Angeles Times ● Sep. 29, 2026

The theory is that, when used in a controlled setting, psychedelics can help people process difficult thoughts and emotions.

From BBC ● Sep. 29, 2026

That’s because there’s no plausible theory to explain why it should be more volatile than any other month.

From MarketWatch ● Sep. 28, 2026

This is where her theory of populism comes in.

From Slate ● Sep. 28, 2026

If Einstein could use a Gedankenexperiment—an investigation completely worked out in his imagination—to figure out the theory of special relativity, then I could do the same to come up with a plan to save Fig.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

Paulsen outlined his theories in a Substack article published Monday in which he described his new, proprietary gauge for U.S. financial conditions, a model that incorporates five key economic policies and three potent economic forces.

From MarketWatch ● Sep. 28, 2026

They combined images and seemingly AI-generated speech about urban legends, occult phenomena and conspiracy theories.

From Barron's ● Sep. 27, 2026

Others floated conspiracy theories accusing the mysterious “they” of trying to “control” Clavicular, or claiming he is besieged with “women trying to ruin his life with rumors.”

From Salon ● Sep. 25, 2026

I think there’s probably a bit of all the theories at work.

From The Wall Street Journal ● Sep. 24, 2026

Newton kicked up a fuss about the use of the word ‘hypothesis’; but there was no comparable debate about theories, facts, or laws of nature.

From "The Invention of Science" by David Wootton




Vocabulary lists containing theory


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