complexity
noun
com·plex·i·ty
kəm-ˈplek-sə-tē 
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
According to SmartAsset, the cost to develop a trust can range from as little as a few hundred dollars or up to several thousand dollars, depending on complexity.
—
Alex Perry, Cincinnati Enquirer, 30 Aug. 2025
Since welcoming her daughter Ella-Loren in 2022, Sumpter has used her voice to spotlight the complexities of modern motherhood.
—Elizabeth Ayoola, Essence, 28 Aug. 2025
While that may sound like a lot for chili, the spicy, nutty, and faintly sweet flavors mingle in a magical way that add a rich complexity to an ordinary bowl of chili.
—Jasmine Smith, Southern Living, 27 Aug. 2025
True, Trump Accounts add another layer of complexity to the tax code.
—Daniel De Visé, USA Today, 31 Aug. 2025
See All Example Sentences for complexity
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Alex Perry, Cincinnati Enquirer, 30 Aug. 2025
Since welcoming her daughter Ella-Loren in 2022, Sumpter has used her voice to spotlight the complexities of modern motherhood.
—Elizabeth Ayoola, Essence, 28 Aug. 2025
While that may sound like a lot for chili, the spicy, nutty, and faintly sweet flavors mingle in a magical way that add a rich complexity to an ordinary bowl of chili.
—Jasmine Smith, Southern Living, 27 Aug. 2025
True, Trump Accounts add another layer of complexity to the tax code.
—Daniel De Visé, USA Today, 31 Aug. 2025
See All Example Sentences for complexity
Cite this Entry
“Complexity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/complexity. Accessed 4 Sep. 2025.
Copy CitationKids Definition
complexity
noun
com·plex·i·ty
kəm-ˈplek-sət-ē
käm-
plural complexities
1
: something complex
the complexities of the English language
2
: the quality or state of being complex
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