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.

See Examples For:

theories

IBM’s Cohn also offered theories for the hyperscalers’ rallies.

From MarketWatch ● Nov. 4, 2026

The singer-songwriter became a fan favourite for his 1980s leisurewear, outlandish conspiracy theories and military-style approach to tasks.

From BBC ● Nov. 3, 2026

The researchers also investigated more unusual scenarios involving theories in which space has additional dimensions beyond the three we experience in everyday life.

From Science Daily ● Nov. 3, 2026

The suggestion here was rather than falling for oversimplification and conspiracy theories when it comes to examining the interaction of “music, discourse and social action,” look to Beethoven.

From Los Angeles Times ● Nov. 2, 2026

Mercury's orbit, for instance, wobbled in a way that disagreed with what Newton predicted, but on the whole, Newton’s theories were tested again and again, and they usually passed.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

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