theory
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One theory is that older baby boomers have already begun retiring and are relying on Medicare and other healthcare services, placing growing demands on the healthcare system.
From MarketWatch • May 30, 2026
In this case, that meant pulling from both algebraic number theory and discrete geometry, which have about as much in common as the marathon and pole vault.
From The Wall Street Journal • May 30, 2026
Zhang and his colleagues set out to examine a key assumption behind that theory.
From Science Daily • May 29, 2026
That is the same theory underpinning the controversial airstrikes since September on alleged drug traffickers' boats in the Caribbean and the Pacific.
From Barron's • May 29, 2026
In theory, a fission bomb could ignite a fusion bomb.
From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin
![]()
Vocabulary lists containing theory
The Vocabulary.com Top 1000
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
The SAT: Language of the Test, List 6
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
The New SAT: The Language of the Test
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!