COMPLEX

Definition

1. adjective complicated in structure.
2. adjective difficult to analyze or understand. — synonyms: complicated
3. noun a conceptual whole made up of complicated and related parts. — synonyms: composite
4. noun a compound described in terms of the central atom to which other atoms are bound or coordinated. — synonyms: coordination_compound
5. noun (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior.
6. noun a whole structure (as a building) made up of interconnected or related structures. — synonyms: building_complex