Complex

1. Made up of multiple parts; composite; not simple.
2. Not simple, easy, or straightforward; complicated.
3. (mathematics, 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.
4. (mathematics, mathematical analysis, of a function) Whose range is a subset of the complex numbers.
5. (mathematics, algebra) Whose coefficients are complex numbers; defined over the field of complex numbers.
6. (geometry) A curve, polygon or other figure that crosses or intersects itself.

Synonyms[edit]

• (not simple): complicated, detailed, difficult, hard, intricate, involved, tough

Antonyms[edit]

• (not simple): basic, easy, simple, simplex, straightforward