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

Rather than limiting these experiments to recreating phenomena already understood through established theories, scientists can now explore deliberately engineered states that reveal entirely new possibilities.

From Science Daily ● Oct. 18, 2026

Passengers have many theories as to why barf bags have gone missing, from short turnaround times between flights to passenger misuse—or even a life hack popular on TikTok.

From The Wall Street Journal ● Oct. 16, 2026

When Shakur was killed, it sparked conspiracy theories about who was involved as well as introspection in the music industry.

From Los Angeles Times ● Oct. 13, 2026

Several theories suggest Earhart survived a crash on the island before being overcome by giant meat-eating crabs, external that carried away her bones.

From BBC ● Oct. 12, 2026

But it is harder to understand why his medieval successors had not developed his theories in order to show how they might be put to work by artists.

From "The Invention of Science" by David Wootton

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