A sentence with the word complexity is this sentence doesn't have much complexity.
Arithmetic trigonometry and calculus are subjects in mathematics with varying degrees of complexity
Due to the complexity of the situation, the policemen weren't able to come up with a definite answer to their problem.
Because of the complexity of her injuries, a helicopter life-flighted the woman to a trauma center.The complexity of a situation often requires more than one solution.
The organization and complexity of a sentence.
Sentence structure.
The complexity of this question is to great for an adequate answer
Explaining the complexity of the entire process would have involved more time than I was willing to invest.
The stressed syllable in the word "complexity" is the second syllable, "-plex-".
These algorithms always plague me with their complexity!
It is not a full sentence. It doesn't have a subject or verb. You would probably call it a prepositional phrase. They stepped into a world of unimagined complexity and beauty. ( subject = they, verb = stepped)
Yes, the noun 'complexity' is an abstractnoun, a word for the state or quality of being intricate or complicated; a word for a concept.
The actor's characterization of the politician he plays really needs improvement.