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

"All the problems and theories go away and you compete. It hasn't been any harder or easier. That is the life of a pro athlete, you deal with things like that."

From BBC ● Aug. 24, 2026

Since then the noise, rumours and conspiracy theories have died down, but it hasn't slowed his rise.

From BBC ● Aug. 24, 2026

If galaxies like these contained substantially more stars than researchers previously estimated, theories of galaxy formation must account for how such enormous numbers of small stars could have appeared so early in cosmic history.

From Science Daily ● Aug. 22, 2026

María’s narration is marked by Colombian slang and the rhythms of its dialect, but it is also mixed with references to Hitchcock films and theories about Rolling Stone Brian Jones’s 1969 death.

From The Wall Street Journal ● Aug. 21, 2026

But in the case of the geometrical sciences of the seventeenth century the gaps between data and phenomena, and between phenomena and theories, are intended to be virtually non-existent.

From "The Invention of Science" by David Wootton