complexity

noun

com·​plex·​i·​ty kəm-ˈplek-sə-tē How to pronounce complexity (audio)
käm-
plural complexities
1
: something complex
the complexities of the murder trial
2
: the quality or state of being complex
the complexity of the contract

Examples of complexity in a Sentence

He was impressed by the complexity of the music. The diagram illustrates the complexity of the cell's structure. He doesn't grasp the complexity of the situation.
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.
These proposals could have far-reaching implications for individuals and businesses navigating the complexities of the U.S. tax system. Virginia La Torre Jeker, Forbes, 3 Mar. 2025 Instead of presenting the complexity of Israeli reality, the filmmakers chose to amplify narratives that distort Israel’s image vis-à-vis international audiences. Etan Vlessing, The Hollywood Reporter, 3 Mar. 2025 The long list of variables spoke to the complexity of carving horizontal wells in deep, hot expanses of granite. Brent Crane, The New Yorker, 2 Mar. 2025 That emotional complexity inspired me to explore similar themes in Banr, especially the idea of love lingering even when memories fade. Destiny Jackson, Deadline, 1 Mar. 2025 See All Example Sentences for complexity

Word History

Etymology

complex entry 2 + -ity, perhaps after French complexité

First Known Use

1661, in the meaning defined at sense 1

Time Traveler
The first known use of complexity was in 1661

Browse Nearby Words

Cite this Entry

“Complexity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/complexity. Accessed 13 Mar. 2025.

Kids Definition

complexity

noun
com·​plex·​i·​ty kəm-ˈplek-sət-ē How to pronounce complexity (audio)
käm-
plural complexities
1
: something complex
the complexities of the English language
2
: the quality or state of being complex

More from Merriam-Webster on complexity

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!