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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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Professional traders are different and need a theory for why there is a premium.

From The Wall Street Journal Jul. 26, 2026

"We expect that if we address the obesity issue in this country, then in theory, it should create savings down the road for cardiovascular conditions, liver conditions and kidney conditions," he said.

From Science Daily Jul. 24, 2026

For instance two researchers at Hong Kong University recently published a research paper claiming — in theory, anyway — they may have found one.

From MarketWatch Jul. 24, 2026

Netball flourished alongside hockey, tennis, cricket, cycling, swimming and dancing, while students were taught anatomy, physiology and hygiene, theory of movement, massage and medicine gymnastics.

From BBC Jul. 23, 2026

Frank and Joe explained their theory: The frogs had escaped into the system of vents.

From "Hopping Mad (The Hardy Boys: Secret Files, #4)" by Franklin W. Dixon

Within sociology, it meant that any inequality among groups was de facto the result of discrimination, rendering moot other possible theories, Redstone says: “We’re treating questions around causation as settled.”

From The Wall Street Journal Jul. 25, 2026

Experian has a few theories: “Credit-card issuers may review your credit reports for signs of financial instability, such as excessive balances on revolving accounts, late payments or frequent cash advances.”

From MarketWatch Jul. 22, 2026

Fox News, for example, ran segments addressing the conspiracy theories.

From Slate Jul. 21, 2026

Suggested causes include acoustic pollution from human activity, naturally occurring environmental sounds and conspiracy theories involving the CIA or even aliens.

From Science Daily Jul. 19, 2026

“An extraordinary number of absurd theories are advanced.”

From "The Mona Lisa Vanishes" by Nicholas Day




Vocabulary lists containing theory


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