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
And if wildlife isn’t your thing, Annie’s Canyon — a slot canyon with high sandstone walls that leads to views of the lagoon and ocean — is a unique feature that adds some complexity to this otherwise easy hike.
—
Maura Fox, San Diego Union-Tribune, 25 Dec. 2025
This introduces errors into the quantum operations and ultimately limits the complexity and duration of a quantum algorithm.
—Prabhat Ranjan Mishra, Interesting Engineering, 25 Dec. 2025
Listeners receive a crash course in the surprising complexities of polar medicine—Varnam serves as the crew’s doctor, nurse, and dentist all at once—as well as a taste of life aboard a sailing vessel bound for such remote territory.
—Benjamin Cannon, The Atlantic, 23 Dec. 2025
The research is shedding light on the complexities around determining when dogs were domesticated and began living alongside humans.
—Ashley Strickland, CNN Money, 23 Dec. 2025
See All Example Sentences for complexity
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Maura Fox, San Diego Union-Tribune, 25 Dec. 2025
This introduces errors into the quantum operations and ultimately limits the complexity and duration of a quantum algorithm.
—Prabhat Ranjan Mishra, Interesting Engineering, 25 Dec. 2025
Listeners receive a crash course in the surprising complexities of polar medicine—Varnam serves as the crew’s doctor, nurse, and dentist all at once—as well as a taste of life aboard a sailing vessel bound for such remote territory.
—Benjamin Cannon, The Atlantic, 23 Dec. 2025
The research is shedding light on the complexities around determining when dogs were domesticated and began living alongside humans.
—Ashley Strickland, CNN Money, 23 Dec. 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 27 Dec. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share