Synonyms of theories

theories

noun

plural of theory

as in hypotheses

an idea that is the starting point for making a case or conducting an investigation

set out to prove her theory that people can't really taste any difference between colas, so they buy according to the product's image

Synonyms & Similar Words

• hypotheses
• premises
• assumptions
• propositions
• guesses
• theses
• suggestions
• notions
• theorems
• proposals
• feelings
• inferences
• speculations
• impressions
• conjectures
• presumptions
• presuppositions
• suppositions
• generalizations
• concepts
• suspicions
• hunches
• conceptions
• guesswork
• constructs
• abstractions
• surmises
• concessions
• inklings
• proffers

Antonyms & Near Antonyms

• facts
• assurances
• certainties
• knowledges

Example Sentences

Recent Examples of theories

Once Robinson was arrested for Charlie’s murder, the theories only multiplied. — Clara Molot, Vanity Fair, 29 Sep. 2026

Refusing to believe that the ancestors of Native Americans could have built such monumental structures, writers floated bizarre theories as to who had. — Daniel Immerwahr, New Yorker, 28 Sep. 2026

That means the early universe wasn't as pure and unspoiled as previously believed, potentially impacting our theories of cosmic evolution. — Robert Lea, Space.com, 25 Sep. 2026

The undeniable message of AdS/CFT is that, at least in this special snow globe, the rules of gravity and the rules of quantum mechanics are secretly describing the same game — despite the storied antagonism between the two theories. — Quanta Magazine, 25 Sep. 2026

The identity of the hoard's owner has been lost to time, Tikkala said, though several theories exist about why the silver was buried. — Andrea Margolis, FOXNews.com, 25 Sep. 2026

The discovery could give astronomers a rare look at the earliest stages of planetary formation and help refine theories about how giant worlds like Jupiter come together. — Paloma Chavez, PEOPLE, 25 Sep. 2026

And so, at first light, when firefighters had won the day and the smoke cleared to reveal the ostrich flock still standing, the sight didn’t lead to any reconsideration of the night’s theories of clandestine slaughter. — J. B. MacKinnon, Harpers Magazine, 22 Sep. 2026

Some social media users joked about out-of-this-world theories. — Eleanor Nash, Kansas City Star, 21 Sep. 2026