| Noun | 1. | complex - a conceptual whole made up of complicated and related parts; "the complex of shopping malls, houses, and roads created a new town"whole - all of something including all its component elements or parts; "Europe considered as a whole"; "the whole of American literature" hybrid - a composite of mixed origin; "the vice-presidency is a hybrid of administrative and legislative offices" syndrome - a complex of concurrent things; "every word has a syndrome of meanings" | |
| 2. | complex - a compound described in terms of the central atom to which other atoms are bound or coordinatedhydrochloride - a complex consisting of an organic base in association with hydrogen chloride chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | |
| 3. | complex - (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behaviorfeeling - the experiencing of affective and emotional states; "she had a feeling of euphoria"; "he had terrible feelings of guilt"; "I disliked him and the feeling was mutual" depth psychology, psychoanalysis, analysis - a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud; "his physician recommended psychoanalysis" Oedipal complex, Oedipus complex - a complex of males; desire to possess the mother sexually and to exclude the father; said to be a source of personality disorders if unresolved inferiority complex - a sense of personal inferiority arising from conflict between the desire to be noticed and the fear of being humiliated | |
| 4. | complex - a whole structure (as a building) made up of interconnected or related structurescollege - a complex of buildings in which a college is housed industrial plant, plant, works - buildings for carrying on industrial labor; "they built a large plant to manufacture automobiles" structure, construction - a thing constructed; a complex construction or entity; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons" | |
| Adj. | 1. | complex - 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"difficult, hard - not easy; requiring great physical or mental effort to accomplish or comprehend or endure; "a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "a difficult child"; "found himself in a difficult situation"; "why is it so hard for you to keep a secret?" compound - of leaf shapes; of leaves composed of several similar parts or lobes simple - having few parts; not complex or complicated or involved; "a simple problem"; "simple mechanisms"; "a simple design"; "a simple substance" | |