Thesaurus.com
Dictionary.com
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.

See Examples For:

The anecdotes bolster the theory that the U.S. economy is becoming more “K-shaped,” with wealthy Americans thriving as stock prices jump while middle- and low-income Americans struggle, as their wages aren’t keeping up with inflation.

From MarketWatch Jul. 15, 2026

In theory, McCullum is England's white-ball coach until his contract expires at the end of the 50-over World Cup in southern Africa in the autumn of 2027.

From BBC Jul. 14, 2026

One reminded angry viewers that smoked brisket would cost a comparable amount in a barbecue restaurant, in theory without the backlash.

From Los Angeles Times Jul. 13, 2026

On X, Washington Post columnist and Fox News contributor Marc Thiessen argued that “it’s not a conspiracy theory to suggest something else might be at play.”

From Salon Jul. 13, 2026

I watched them like a hawk to see if Dad’s theory held water and they were both sweet on Tansy.

From "The Teacher’s Funeral" by Richard Peck

In plain language, that means he’s probably going to ramble late into the night about a bunch of baseless conspiracy theories.

From Slate Jul. 16, 2026

Their findings suggest that decision making begins much earlier in the brain than traditional theories propose, offering fresh ideas for designing future AI systems that are more capable and far more energy efficient.

From Science Daily Jul. 13, 2026

“He probably thinks academic theories of originalism can give you crucial guardrails about how to proceed,” said Sherif Girgis, a law professor at Notre Dame and former Alito clerk.

From The Wall Street Journal Jul. 10, 2026

Do the Only Murders in the Building cast read fan theories?

From BBC Jul. 8, 2026

If Ibn al-Haytham offered plenty of real experiments, medieval philosophy is also full of thought experiments designed to test the implications of theories.

From "The Invention of Science" by David Wootton




Vocabulary lists containing theory


Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training