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
Such systems are difficult to manage and control, and their complexity means that even small changes could have cascading knock-on effects that humans might be unable to manage effectively.
—
JSTOR Daily, 13 Nov. 2025
The creative team explained that the extended timeline was partly due to the complexity of developing the new antagonists.
—Naman Ramachandran, Variety, 13 Nov. 2025
The chai adds warmth and complexity, balancing the bourbon’s richness.
—Karla Walsh, Better Homes & Gardens, 13 Nov. 2025
Preserving the performances was of paramount importance, and Butler and Proctor were determined to use ADR as rarely as possible — a tall order given the complexity of some scenes.
—Jim Hemphill, IndieWire, 13 Nov. 2025
See All Example Sentences for complexity
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JSTOR Daily, 13 Nov. 2025
The creative team explained that the extended timeline was partly due to the complexity of developing the new antagonists.
—Naman Ramachandran, Variety, 13 Nov. 2025
The chai adds warmth and complexity, balancing the bourbon’s richness.
—Karla Walsh, Better Homes & Gardens, 13 Nov. 2025
Preserving the performances was of paramount importance, and Butler and Proctor were determined to use ADR as rarely as possible — a tall order given the complexity of some scenes.
—Jim Hemphill, IndieWire, 13 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 14 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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