duality

noun

du·​al·​i·​ty dü-ˈa-lə-tē 

 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

Camila illustrated this duality in their set, capturing both intense affection and the darker undercurrents of turbulent relationships. —Ana Gutierrez, Austin American Statesman, 2 July 2025

This particular aroma, a reinterpretation of the original Gorgeous Gardenia, celebrates the delicate and fearless duality of womanhood, encouraging its wearer to pursue their deepest desires. —Kaleigh Werner, Footwear News, 1 July 2025

What struck me most wasn’t any one deal or datapoint, but the duality of two starkly different realities. —Alex Lazarow, Forbes.com, 20 June 2025

Alex is spontaneous and adventurous, while Cam is thoughtful and intellectual, highlighting this Air sign’s brilliant duality through and through. —Valerie Mesa, People.com, 13 June 2025

Word History

First Known Use

1532, in the meaning defined above

Rhymes for duality

• banality
• bestiality
• brutality
• carnality
• centrality
• chirality
• fatality
• finality
• formality
• frugality
• legality
• lethality