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
The system is built for logistics and warehousing operations where frozen goods face strict shelf-life limits, FIFO requirements, and growing SKU complexity.
—
Neetika Walter, Interesting Engineering, 10 Feb. 2026
His stance is that generating code is one thing, but reaching the cognitive complexity of, for example, level-five self-driving cars, is far beyond what today’s large models can do.
—Abhas Ricky, Fortune, 10 Feb. 2026
His uniquely disarming sense of humor augments—and sometimes masks—the complexity of his taste and technical ability.
—Dash Lewis, Pitchfork, 10 Feb. 2026
Tolerance for ambivalence, the ability to endure complexity, mixed feelings, and unresolved tension, is a cornerstone of emotional maturity.
—Rabbi Bruce D. Forman, Sun Sentinel, 10 Feb. 2026
See All Example Sentences for complexity
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Neetika Walter, Interesting Engineering, 10 Feb. 2026
His stance is that generating code is one thing, but reaching the cognitive complexity of, for example, level-five self-driving cars, is far beyond what today’s large models can do.
—Abhas Ricky, Fortune, 10 Feb. 2026
His uniquely disarming sense of humor augments—and sometimes masks—the complexity of his taste and technical ability.
—Dash Lewis, Pitchfork, 10 Feb. 2026
Tolerance for ambivalence, the ability to endure complexity, mixed feelings, and unresolved tension, is a cornerstone of emotional maturity.
—Rabbi Bruce D. Forman, Sun Sentinel, 10 Feb. 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 14 Feb. 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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