complex

A compound described in terms of the central atom to which other atoms are bound or coordinated.

A conceptual whole made up of complicated and related parts.

“the complex of shopping malls, houses, and roads created a new town”

A whole structure (as a building) made up of interconnected or related structures.

(psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior.

Difficult to analyze or understand.

“he's more complex than he seems on the surface”

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”