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 sheer complexity of a deal, which will take years to complete and require multiagency input, forced Trump’s first treasury secretary to shelve their sale, and experts believe the same hurdles pose significant challenges this time around, too.
—
Haisten Willis, The Washington Examiner, 26 May 2025
Through their compelling storytelling, today’s leaders can gain valuable insights into the complexities of human behavior and take solace in the enduring challenges of leadership.
—Anjali Chaudhry, Forbes.com, 25 May 2025
The way the news of the new pope’s heritage was made public speaks to the complexity of discussions of race in the U.S., especially in this era.
—Rebecca R. Bibbs, Chicago Tribune, 25 May 2025
The distance to exoplanets, the faintness of signals, and the complexity of atmospheres mean distinguishing between molecules that differ by just one atom is extremely challenging.
—Victoria Corless, Space.com, 25 May 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.
Haisten Willis, The Washington Examiner, 26 May 2025
Through their compelling storytelling, today’s leaders can gain valuable insights into the complexities of human behavior and take solace in the enduring challenges of leadership.
—Anjali Chaudhry, Forbes.com, 25 May 2025
The way the news of the new pope’s heritage was made public speaks to the complexity of discussions of race in the U.S., especially in this era.
—Rebecca R. Bibbs, Chicago Tribune, 25 May 2025
The distance to exoplanets, the faintness of signals, and the complexity of atmospheres mean distinguishing between molecules that differ by just one atom is extremely challenging.
—Victoria Corless, Space.com, 25 May 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 30 May. 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