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
Aside from a few nods to the Marquis de Lafayette, most basic textbook histories of the Revolutionary War typically overlook, minimize, or erase its transnational scope and complexity.
—
Literary Hub, 7 Nov. 2025
This operational discipline enabled the company to pursue projects with tight timelines or unusual spatial constraints, assignments that often commanded premium pricing due to their complexity and precision requirements.
—Jason Phillips, USA Today, 6 Nov. 2025
The work will accumulate personal stories throughout the exhibition’s run, becoming a universal testimonial to the complexity of our relationships with our mothers.
—Robert Lang, Deadline, 6 Nov. 2025
With efficiency doubled, size slashed, and complexity reduced, this palm-sized laser may reshape how ultrafast optical tools move from the lab into the real world.
—Neetika Walter, Interesting Engineering, 6 Nov. 2025
See All Example Sentences for complexity
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Literary Hub, 7 Nov. 2025
This operational discipline enabled the company to pursue projects with tight timelines or unusual spatial constraints, assignments that often commanded premium pricing due to their complexity and precision requirements.
—Jason Phillips, USA Today, 6 Nov. 2025
The work will accumulate personal stories throughout the exhibition’s run, becoming a universal testimonial to the complexity of our relationships with our mothers.
—Robert Lang, Deadline, 6 Nov. 2025
With efficiency doubled, size slashed, and complexity reduced, this palm-sized laser may reshape how ultrafast optical tools move from the lab into the real world.
—Neetika Walter, Interesting Engineering, 6 Nov. 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 7 Nov. 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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