complex meaning and definition

COMPLEX noun

Definition of complex (noun)

1. a conceptual whole made up of complicated and related parts
   • "the complex of shopping malls, houses, and roads created a new town"
   • synonyms: composite
2. a compound described in terms of the central atom to which other atoms are bound or coordinated
   • synonyms: coordination compound
3. (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior
4. a whole structure (as a building) made up of interconnected or related structures
   • synonyms: building complex

COMPLEX adjective

Definition of complex (adjective)

1. complicated in structure; consisting of interconnected parts
   • "a complex set of variations based on a simple folk melody"; "a complex mass of diverse laws and customs"
   • antonym: simple