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 scale measures the autonomy based on factors like human independence, environmental complexity and mission complexity.
—
Aditya Jadhav, Interesting Engineering, 15 May 2026
What’s changing now is the ability to abstract that complexity away.
—Jeff Fromm, Forbes.com, 15 May 2026
High entry costs, geography, legal complexity, and management responsibilities have traditionally kept real estate investment out of reach for a large part of the global population.
—Matt Emma, USA Today, 15 May 2026
There is only one candidate who grasps the complexity of this crisis and has the legislative experience to address it.
—Mercury News & East Bay Times Editorial Boards, Mercury News, 15 May 2026
See All Example Sentences for complexity
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Aditya Jadhav, Interesting Engineering, 15 May 2026
What’s changing now is the ability to abstract that complexity away.
—Jeff Fromm, Forbes.com, 15 May 2026
High entry costs, geography, legal complexity, and management responsibilities have traditionally kept real estate investment out of reach for a large part of the global population.
—Matt Emma, USA Today, 15 May 2026
There is only one candidate who grasps the complexity of this crisis and has the legislative experience to address it.
—Mercury News & East Bay Times Editorial Boards, Mercury News, 15 May 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 17 May. 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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