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

Several theories involving collective electronic interactions remain possible. — Neetika Walter, Interesting Engineering, 5 Sep. 2026

Grueling weeks of testimony In a trial that stretched over five weeks, included more than 80 witnesses and attracted international attention to the issue of postpartum mental health, jurors heard competing theories about Clancy's mental condition. — Carmel Wroth, NPR, 4 Sep. 2026

Gray has two theories about why such bans don’t seem to be producing bigger shifts. — Joshua Rothman, New Yorker, 4 Sep. 2026

There's opinion journalism, and then there are crackpot theories that get in the way of legitimacy. — Bill Goodykoontz, AZCentral.com, 3 Sep. 2026

There are theories about that too, the most prominent of which relates to the higher level of tannic acid present in red oak acorns. — Colin Moore, Outdoor Life, 2 Sep. 2026

From cops to criminals, theories floated from season to season well into the new century. — John L. Smith, Rolling Stone, 2 Sep. 2026

Though theories implicated everyone from rival rapper Biggie Smalls to Knight’s wife Sharitha — neither of whom was ever charged in connection with the murder — investigators long suspected the killing was gang-related. — Lynsey Eidell, PEOPLE, 1 Sep. 2026

Astrophysicists have several theories for what dark matter could be. — Noah Haggerty, Los Angeles Times, 28 Aug. 2026