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

Both theories agree extremely well with experiments in the domains where they are used.

From Science Daily ● Sep. 11, 2026

The findings, published in Physical Review Research, also point to a possible new way to test these unconventional theories against standard quantum mechanics.

From Science Daily ● Sep. 11, 2026

Researchers who study these systems have their own theories about what tips the score.

From The Wall Street Journal ● Sep. 8, 2026

Fans have also posted theories about other "clues" on social media.

From BBC ● Sep. 4, 2026

The correspondence between theories and facts was so crucial that Galileo and Newton were prepared to bend the facts to fit the theories, even while insisting on the priority of experience over theory.

From "The Invention of Science" by David Wootton