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

Swipe it on and then start formulating your own beauty theories. — Kara Nesvig, Allure, 15 Sep. 2026

The theories that describe the interactions of elementary particles are based on certain symmetries, meaning properties of a system that remain unchanged despite transformation. — Manon Bischoff, Scientific American, 15 Sep. 2026

Well, there’s a running number of theories with only some consensus. — Maya Georgi, Rolling Stone, 15 Sep. 2026

These theories and other will-power research ran into replication difficulties a decade ago. — Meghan O’Gieblyn, New Yorker, 14 Sep. 2026

And at least the black holes weren’t breaking any cosmological theories. — Quanta Magazine, 14 Sep. 2026

Such theories were substantiated less than half an hour into his debut against Arsenal. — Aston Villa, New York Times, 11 Sep. 2026

The result, the team argues, is a checkpoint on the border between Einstein’s relativity and quantum mechanics—two great theories in physics that stubbornly refuse to work together. — Jacek Krywko, ArsTechnica, 11 Sep. 2026

Coworkers spin up absurd theories about each other, and this setting—the office as the most fertile breeding ground for speculation—allows Park’s absurdities to bend plausibility without breaking it. — James Folta, Literary Hub, 10 Sep. 2026