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
The 1975 bank-heist drama breaks out a trio of songs only at its start and end, focusing instead on the interior complexities of the leading men portrayed by Al Pacino and John Cazale who want to take the money and run.
—
Devon Ivie, Vulture, 14 Apr. 2026
Joining or forming a joint action agency — a group that provides energy to member municipalities — requires the longest lead time due to the complexities around contract negotiations for joining such agencies.
—Carolyn Stein, Chicago Tribune, 14 Apr. 2026
The complexity of the infrastructure drags the numbers down for any profit margin.
—Jennifer Van Grove, San Diego Union-Tribune, 14 Apr. 2026
This is due to lower reimbursements from patients’ insurers, an increase in care complexity and more treatment plans that are non-procedural.
—Daniel R. George, The Conversation, 14 Apr. 2026
See All Example Sentences for complexity
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Devon Ivie, Vulture, 14 Apr. 2026
Joining or forming a joint action agency — a group that provides energy to member municipalities — requires the longest lead time due to the complexities around contract negotiations for joining such agencies.
—Carolyn Stein, Chicago Tribune, 14 Apr. 2026
The complexity of the infrastructure drags the numbers down for any profit margin.
—Jennifer Van Grove, San Diego Union-Tribune, 14 Apr. 2026
This is due to lower reimbursements from patients’ insurers, an increase in care complexity and more treatment plans that are non-procedural.
—Daniel R. George, The Conversation, 14 Apr. 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 15 Apr. 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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