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

Some of the most fundamental questions about the universe remain open, leaving room for new observations, stronger theories, and unexpected ideas to reshape our understanding.

From Science Daily ● Sep. 13, 2026

For many years, M. trumani played a major role in theories about the ecology of Ice Age North America.

From Science Daily ● Sep. 8, 2026

Mr. Buck analyzed more than 400 readings from 75 course syllabi and categorized them as “traditional,” “progressive,” “therapeutic,” or “critical,” meaning critical race and other social justice theories.

From The Wall Street Journal ● Sep. 8, 2026

“There’s different approaches and theories, but I do have a lot of trust in our group and we’ll see. Hopefully, it works out.”

From Los Angeles Times ● Sep. 4, 2026

Possessed-Anat hadn’t said, never got around to saying before she disappeared, who “she” was, and Clara wouldn’t dare entertain her theories.

From "Night Owls" by A.R. Vishny