complex

noun
  1. 1

    A network of interconnected systems.

  2. 2

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

  3. 3

    An assemblage of related things; a collection.

  4. 4

    An abnormal mental condition caused by repressed emotions.

  5. 5

    (by extension) A vehement, often excessive psychological dislike or fear of a particular thing.

    โ€œJim has a real complex about working for a woman boss.โ€

  6. 6

    A structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules.

  7. 7

    A complex number.

verb
  1. 1

    To form a complex with another substance

  2. 2

    To complicate.

adjective
  1. 1

    Made up of multiple parts; composite; not simple.

  2. 2

    Not simple, easy, or straightforward; complicated.

  3. 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 โˆ’1.

  4. 4

    (of a function) Whose range is a subset of the complex numbers.

  5. 5

    Whose coefficients are complex numbers; defined over the field of complex numbers.

  6. 6

    A curve, polygon or other figure that crosses or intersects itself.

Source: https://en.wiktionary.org/wiki/complex