Violent, destructive and cruel. / Savage and aggressive. / (archaic) Pertaining to vice; characterised by immorality or depravity.

A surname.

A situation in which the response to one problem creates a chain of problems, each making it more difficult to solve the original one.

Alternative form of vicious circle

plural of vicious circle

plural of vicious cycle

the characteristic of being vicious / the desire to cause harm to others; extreme cruelty

In a vicious manner; ferociously or maliciously.

plural of viciousness

(nonstandard) comparative form of vicious: more vicious