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

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"
      Antonyms: simple

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