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
There are also daily lectures from guides on everything from the secret lives of plants to the complexity of Amazonian fish species.
—
Condé Nast, Condé Nast Traveler, 11 Mar. 2026
The monumental scale and engineering complexity of the alien spacecraft alone are breathtaking, its intricate design hinting at the metal-rich composition of its home planet.
—David Rooney, HollywoodReporter, 10 Mar. 2026
The inherent complexity of developing fashion merchandise has intensified in recent years, as teams contend with ongoing disruptions, including production delays, transportation volatility and inconsistent consumer demand.
—Sj Studio, Sourcing Journal, 10 Mar. 2026
Theron uses her characters to explore a range of strength, vulnerability, and human complexity.
—Outside, 10 Mar. 2026
See All Example Sentences for complexity
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Condé Nast, Condé Nast Traveler, 11 Mar. 2026
The monumental scale and engineering complexity of the alien spacecraft alone are breathtaking, its intricate design hinting at the metal-rich composition of its home planet.
—David Rooney, HollywoodReporter, 10 Mar. 2026
The inherent complexity of developing fashion merchandise has intensified in recent years, as teams contend with ongoing disruptions, including production delays, transportation volatility and inconsistent consumer demand.
—Sj Studio, Sourcing Journal, 10 Mar. 2026
Theron uses her characters to explore a range of strength, vulnerability, and human complexity.
—Outside, 10 Mar. 2026
See All Example Sentences for complexity
Cite this Entry
“Complexity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/complexity. Accessed 15 Mar. 2026.
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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