theory

[thee-uh-ree, theer-ee] / ˈθi ə ri, ˈθɪər i /

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.

This is not the first time Catherine - who has passed her grade three piano and grade five theory - has played at a carol service.

From BBC

Increased adoption requires customers to see that AI agents create higher efficiency not only in theory, but in reality.

From Barron's

Multiple theories have sprung up around what “Pluribus” is really about.

From Los Angeles Times

The off-spinner is an untested theory, an idea, or even a hunch.

From BBC

The work shows, in theory, that two major barriers to faster photonic circuitry can be addressed at the same time.

From Science Daily