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

In plain language, that means he’s probably going to ramble late into the night about a bunch of baseless conspiracy theories.

From Slate ● Jul. 16, 2026

He has a well-documented history of trafficking in conspiracy theories himself, which made his ambiguous invocation of federal involvement a kind of implicit validation to conspiracy theorists that there might be more to the story.

From Salon ● Jul. 13, 2026

The Administration should not want conspiracy theories to proliferate.

From The Wall Street Journal ● Jul. 12, 2026

Liberland is also entirely tax-free, something its interior minister, Ivan Pernar, a controversial Croatian former MP who was kicked out of parliament for spreading conspiracy theories, explains to me.

From BBC ● Jul. 10, 2026

It would seem that these two theories could live in harmony together, each dictating the rules of physics for different aspects of the universe.

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