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.
Adding to the complexity was that four of the five counts that were left standing involve violations of the Foreign Corrupt Practices Act. Jason Meisner, Chicago Tribune, 27 Mar. 2025 Cross-border barrages in both directions have grown in size and complexity throughout the full-scale war. David Brennan, ABC News, 26 Mar. 2025 Even accounting for the scale, scope and complexity of the project and the need to satisfy two different London councils, there is a distinct possibility that planning permission could be granted before the end of 2025. Liam Twomey, New York Times, 26 Mar. 2025 This coming-of-age documentary follows him over three years, capturing the pain of a fractured childhood alongside the warmth and complexity of his family. Leo Barraclough, Variety, 26 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 1 Apr. 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
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