Nov 10, 2025 · Complexity refers to a scientific theory that asserts that some systems display behavioral phenomena that are inexplicable by conventional explanations or analysis of its individual parts.

Definitions of complexity often depend on the concept of a "system" – a set of parts or elements that have relationships among them differentiated from relationships with other elements outside the …

COMPLEXITY definition: 1. the state of having many parts and being difficult to understand or find an answer to: 2. the…. Learn more.

Complexity definition: the state or quality of being complex; intricacy.. See examples of COMPLEXITY used in a sentence.

Complexity is the state of having many different parts connected or related to each other in a complicated way. ...a diplomatic tangle of great complexity.

Dec 5, 2016 · The meaning of COMPLEXITY is something complex. How to use complexity in a sentence.

Definition of complexity noun from the Oxford Advanced Learner's Dictionary. [uncountable] the state of being formed of many parts; the state of being difficult to understand. I was astonished by the size …