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

Existing theories of satellite formation offer several possible answers, but recent research into stellar magnetic fields suggests that some of those ideas may need to be reconsidered.

From Science Daily ● Jul. 27, 2026

Over the weekend, an uneasy ceasefire established itself across the Persian Gulf, suggesting Signum’s theories had been borne out and validated by events.

From MarketWatch ● Jul. 27, 2026

These leaked Libyan intelligence documents contain information that could potentially put an end to the doubt, theories and countertheories that have tied so many, including me, in knots.

From BBC ● Jul. 25, 2026

Loomer, an influential voice in some conservative circles, has at times promoted conspiracy theories.

From The Wall Street Journal ● Jul. 24, 2026

We’re exchanging theories about where Mom might be hiding.

From "South of Somewhere" by Kalena Miller