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

It should never be cheapened into a pretext for a tariff policy built on dubious legal theories and personal grievances. — ABC News, 23 July 2026

There are equations, theories, and principles, of course, but real progress often emerges through experimentation. — Lintao "lt" Lu, Forbes.com, 22 July 2026

Scientists have two prevailing theories as to how this growth may have happened. — Robert Lea, Space.com, 22 July 2026

Nintendo tries to compel arbitration With lawsuits in the early stages, no court has ruled on the core legal theories, Holland & Knight lawyers wrote. — Jon Brodkin, ArsTechnica, 21 July 2026

The project aims to examine alternative theories and evidence in Scott’s case. — Emma Banks, PEOPLE, 21 July 2026

Forget all the theories and commentaries, Homer seems to say. — Literary Hub, 17 July 2026

Yet the president often relies on theories that independent reviews long ago discredited. — Joey Garrison, USA Today, 16 July 2026

Strassman has his own theories of what these beings could be. — Charles Moss, SPIN, 16 July 2026