complex
com-plex
noun
A group of repressed feelings or thoughts influencing a person's behaviour.
"She developed an inferiority complex."
adjective
Consisting of many interconnected parts, making it difficult to understand or analyse.
"The instructions were too complex."
noun
A group of related buildings or units forming a single large entity.
"We visited the new leisure complex."
Thesaurus
Synonyms: thickening, multiplex, tortuous, complicated, labyrinthine, analyzable, interlacing, compound, involved, colonial, Gordian, intricate
Antonyms: simple