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
By taking care of every detail, Xiaoli and her team ensure that clients can focus on building meaningful connections without the burden of navigating the complexities of modern dating.
—
Connie Etemadi, USA Today, 2 Oct. 2025
So what interested me was definitely the complexity of this character, who is presented not as being all peaches and cream, but as a character with very dark, even toxic, aspects of her personality.
—Nick Vivarelli, Variety, 2 Oct. 2025
According to the report, many developers face obstacles such as rising construction costs, financing constraints, labor shortages, and regulatory complexity.
—Lee Ying Shan, CNBC, 1 Oct. 2025
As model capability has grown, so has the complexity of the tasks that they're being tested on and the human skill needed to create sufficiently challenging tasks.
—Nikita Ostrovsky, Time, 1 Oct. 2025
See All Example Sentences for complexity
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Connie Etemadi, USA Today, 2 Oct. 2025
So what interested me was definitely the complexity of this character, who is presented not as being all peaches and cream, but as a character with very dark, even toxic, aspects of her personality.
—Nick Vivarelli, Variety, 2 Oct. 2025
According to the report, many developers face obstacles such as rising construction costs, financing constraints, labor shortages, and regulatory complexity.
—Lee Ying Shan, CNBC, 1 Oct. 2025
As model capability has grown, so has the complexity of the tasks that they're being tested on and the human skill needed to create sufficiently challenging tasks.
—Nikita Ostrovsky, Time, 1 Oct. 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 8 Oct. 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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