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

Economists have lots of theories, but a commonly cited ailment is “uncertainty.”

From MarketWatch ● Oct. 3, 2026

Using newly developed quantum simulator technology, the researchers made the first direct measurements of energy levels in synthetic quantum matter predicted by the Ising and tricritical Ising conformal field theories.

From Science Daily ● Oct. 1, 2026

Following his disappearance, a number of theories about what had happened to him began to circulate on social media.

From BBC ● Sep. 30, 2026

The lack of clarity over the weekend incident has sparked different unverified theories, with some media reporting allegations that the men could even be fuel thieves.

From Barron's ● Sep. 29, 2026

The discovery of Broca's area finished of the theories of the Phrenologists and the Whole Brainers.

From "Phineas Gage" by John Fleischman