noun

1. A network of interconnected systems.

2. A collection of buildings with a common purpose, such as a university or military base.

3. An assemblage of related things; a collection.

verb

1. To form a complex with another substance

2. To complicate.

adjective

1. Made up of multiple parts; composite; not simple.

2. Not simple, easy, or straightforward; complicated.

3. (of a number) Having the form a + bi, where a and b are real numbers and i is (by definition) the imaginary square root of −1.

Synonyms: complicated, detailed, difficult, hard, intricate, involved, tough