THEORIES Synonyms: 35 Similar and Opposite Words

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

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Recent Examples of theories His longtime collaborators have other theories about his return. — Lacey Rose, HollywoodReporter, 21 Oct. 2026 The Many Worlds interpretation and the Copenhagen interpretation are not really two different interpretations but two different theories. — Philipp Strasberg, Scientific American, 20 Oct. 2026 Having watched supposedly secure systems fail has given many an irreverence for authority and an impatience with grand theories. — Harry Booth, Time, 20 Oct. 2026 Before Daly, scientists had been leaning toward theories that involved Earth's rapid spin billions of years ago, when each day may have at one time lasted as little as 2 or 3 hours. — Micah Hanks, Space.com, 19 Oct. 2026 Most Americans don’t sign up to fight and die in those numbers for lawyers’ dodges, legal manipulations, or constitutional theories. — Literary Hub, 19 Oct. 2026 The collective anxiety that was palpable moments earlier melted away, as many saw the speech as another attempt to revive disproved theories unlikely to be taken seriously by most voters. — Andy Mannix, ProPublica, 19 Oct. 2026 Over the decades, as Shakur’s stature grew and evolved, there were flare-ups of media interest and theories but no conclusions or arrests. — Dominic Patten, Deadline, 13 Oct. 2026 Be curious, not judgmental All of the above has unleashed theories about Simmons among fans and, of course, in the online world. — Kansas City Star, 12 Oct. 2026

Recent Examples of Synonyms for theories

Noun

Their science fair projects – a bird feeder and a device producing the smoothest smoothies – were also crafted with AI assistance after developing their own hypotheses and plans.

— Dalia Faheid, CNN Money, 26 Oct. 2026
The Danish company said further work is needed to confirm the hypotheses of two post-study analyses.

— Annika Kim Constantino, CNBC, 20 Oct. 2026

Definition of hypotheses

Noun

Her crunchy-granola Mom and Dad (Maya Erskine and Jake Johnson) seem more than a little overprotective of their youngest child; the reluctant babysitter is given strict instructions not to leave the premises.

— David Fear, Rolling Stone, 23 Oct. 2026
The area restricts movement on or off any premises with poultry.

— WCCO Staff, CBS News, 20 Oct. 2026

Definition of premises

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theoretical

theories

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“Theories.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/theories. Accessed 29 Oct. 2026.

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Synonyms of theories

noun

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