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
Another commenter echoed similar sentiments while acknowledging the complexity.
—
Ashley Vega, PEOPLE, 2 Jan. 2026
According to Kaiser, who after leaving the FBI joined cybersecurity firm Halcyon, the complexity lies in that the crimes are happening online and in secret.
—Amanda Gerut, Fortune, 1 Jan. 2026
Her new drama stars Léa Seydoux as a renowned pianist who relocates with her family to the countryside and then uncovers a life-shattering truth that forces her to confront the complexities of love and trust.
—Andreas Wiseman, Deadline, 1 Jan. 2026
Adding to the complexity of the investigation is that police haven’t received any reports that a woman looking like the woman in the footage has gone missing.
—David Goodhue, Miami Herald, 1 Jan. 2026
See All Example Sentences for complexity
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Ashley Vega, PEOPLE, 2 Jan. 2026
According to Kaiser, who after leaving the FBI joined cybersecurity firm Halcyon, the complexity lies in that the crimes are happening online and in secret.
—Amanda Gerut, Fortune, 1 Jan. 2026
Her new drama stars Léa Seydoux as a renowned pianist who relocates with her family to the countryside and then uncovers a life-shattering truth that forces her to confront the complexities of love and trust.
—Andreas Wiseman, Deadline, 1 Jan. 2026
Adding to the complexity of the investigation is that police haven’t received any reports that a woman looking like the woman in the footage has gone missing.
—David Goodhue, Miami Herald, 1 Jan. 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 9 Jan. 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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