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 contracts are steeped in legal and technical complexity.
—
Hadas Gold, CNN Money, 4 Mar. 2026
The spline structure inside the nuts, the non-fixed gripping posture, and interference from magnetic forces significantly increased assembly complexity.
—Atharva Gosavi, Interesting Engineering, 3 Mar. 2026
The cost per facility may be a drop in the bucket given the massive funds tech companies plan to invest on AI buildout, but putting data centers underground — after fighting for land above ground — introduces a new level of complexity that could slow down tech developments.
—Rachyl Jones, semafor.com, 3 Mar. 2026
As organizations grow across borders, internal complexity often increases.
—Kaitlyn Gomez, Sacbee.com, 3 Mar. 2026
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.
Hadas Gold, CNN Money, 4 Mar. 2026
The spline structure inside the nuts, the non-fixed gripping posture, and interference from magnetic forces significantly increased assembly complexity.
—Atharva Gosavi, Interesting Engineering, 3 Mar. 2026
The cost per facility may be a drop in the bucket given the massive funds tech companies plan to invest on AI buildout, but putting data centers underground — after fighting for land above ground — introduces a new level of complexity that could slow down tech developments.
—Rachyl Jones, semafor.com, 3 Mar. 2026
As organizations grow across borders, internal complexity often increases.
—Kaitlyn Gomez, Sacbee.com, 3 Mar. 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 6 Mar. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
