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theories

NOUN

hypothesis, belief

Synonyms

STRONGEST

approach argument assumption code concept doctrine idea ideology method philosophy plan position premise proposal provision rationale scheme speculation suspicion system thesis understanding

STRONG

base basis codification conditions conjecture dogma feeling foundation grounds guess guesswork hunch impression outlook postulate presentiment presumption shot stab supposal supposition surmise theorem

WEAK

formularization suppose systemization

Antonyms

STRONGEST

disbelief fact information reality truth

STRONG

calculation knowledge measurement proof

WEAK

certainty

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.

Setting aside the fact that many Americans just really liked Reagan, there are many theories about his win amid high unemployment and inflation, all of which probably have some merit.

From Salon • May 7, 2026

Analysts have a few theories about why standout software performer Palantir Technologies is seeing its stock drop despite a strong earnings report.

From MarketWatch • May 5, 2026

In the 1980s, researchers began developing theories in which wavefunction collapse happens spontaneously, without requiring observation or measurement.

From Science Daily • May 3, 2026

Over the course of three decades, multiple law enforcement agencies tried to crack the case as conspiracy theories involving complex gang and music-related rivalries swirled.

From Los Angeles Times • Apr. 29, 2026

Still, one would have expected there to be a range of alternative theories proposed to account for the new evidence.

From "The Invention of Science" by David Wootton