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
Davis explains that the goal is to simplify how these systems interact, reducing the complexity that often arises when different technologies are combined.
—
William Jones, USA Today, 24 Mar. 2026
Thune was previously noncommittal about using the process, given the complexity of ushering it across the floor, but Senate Republicans floated the option to Trump earlier this week to win his support for DHS funding.
—David Sivak, The Washington Examiner, 24 Mar. 2026
But there has been a lot of overlap, including respect for tradition and order, the importance of institutions, the rule of law, and the complexity of human society, along with a wariness of radical change.
—Peter Wehner, The Atlantic, 23 Mar. 2026
Robotic system While robotic assistance has existed in other fields, the complexity of the brain’s vascular highway had long remained a domain of humans.
—Mrigakshi Dixit, Interesting Engineering, 23 Mar. 2026
See All Example Sentences for complexity
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William Jones, USA Today, 24 Mar. 2026
Thune was previously noncommittal about using the process, given the complexity of ushering it across the floor, but Senate Republicans floated the option to Trump earlier this week to win his support for DHS funding.
—David Sivak, The Washington Examiner, 24 Mar. 2026
But there has been a lot of overlap, including respect for tradition and order, the importance of institutions, the rule of law, and the complexity of human society, along with a wariness of radical change.
—Peter Wehner, The Atlantic, 23 Mar. 2026
Robotic system While robotic assistance has existed in other fields, the complexity of the brain’s vascular highway had long remained a domain of humans.
—Mrigakshi Dixit, Interesting Engineering, 23 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 25 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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