✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

duality

noun

du·​al·​i·​ty dü-ˈa-lə-tē How to pronounce duality (audio)
also dyü-
plural dualities
: the quality or state of having two different or opposite parts or elements : dualism
That duality—sophistication paired with authenticity on the wine list, simplicity spiced with creativity on the menu—gives Marea energy and distinctive character.Thomas Matthews
Another series from later years consisted of views of New York skyscrapers … which incorporate abstract patterns of light and shadow that express the duality of feeling, the fascination and loathing he had come to feel for the city.Naomi Rosenblum
By the wave/particle duality of quantum mechanics, light can be regarded as both a wave and a particle.Stephen Hawking
also : a difference between two opposite things : a division into two opposite groups : dichotomy
For the most part Prince seems to be hoisting himself on the horns of the same duality that inspires most of his song lyrics: spirituality vs. carnality. David Hiltbrand
As my meditation teacher says, "Judgment is a form of violence to yourself as well as others. It creates duality and separates you from others." Yoga Journal

Examples of duality in a Sentence

the duality of human nature They discussed the dualities of the novel's characters.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The period setting, the Southern dialect, the fantastical elements, and above all, the duality of embodying two distinct brothers — all of it pushed Jordan to discover where his limits lie. Clayton Davis, Variety, 28 Nov. 2025 Gonzo the Great Curious, chaotic and weirdly brilliant, Gonzo is always chasing new ideas and reinventing himself in the process, which is quite similar to Gemini’s duality. Valerie Mesa, PEOPLE, 27 Nov. 2025 The duality of heroes and villains is woven throughout every aspect of the ship, including staterooms inspired by the likes of Mulan and Big Hero 6. Carly Caramanna, Parents, 20 Nov. 2025 That’s the duality of Lindsey Vonn, the consummate professional, who floats between the two worlds with fluency. Sierra Shafer, Outside, 18 Nov. 2025 See All Example Sentences for duality

Word History

First Known Use

1532, in the meaning defined above

Time Traveler
The first known use of duality was in 1532

Browse Nearby Words

Cite this Entry

“Duality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duality. Accessed 4 Dec. 2025.

More from Merriam-Webster on duality

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!