Polemic /(?)/

Po·lem·ic

Polemic

a.
  1. Of or pertaining to controversy; maintaining, or involving, controversy; controversial; disputative; as, a polemic discourse or essay; polemic theology.
  2. Engaged in, or addicted to, polemics, or to controversy; disputations; as, a polemic writer.

Polemic

n.
  1. One who writes in support of one opinion, doctrine, or system, in opposition to another; one skilled in polemics; a controversialist; a disputant.
    The sarcasms and invectives of the young polemic.
  2. A polemic argument or controversy.