Of or pertaining to controversy; maintaining, or involving, controversy; controversial; disputative; as, a polemic discourse or essay; polemic theology
One who writes in support of one opinion, doctrine, or system, in opposition to another; one skilled in polemics; a controversialist; a disputant
a controversy (especially over a belief or dogma) of or involving dispute or controversy
Engaged in, or addicted to, polemics, or to controversy; disputations; as, a polemic writer
A polemic is a very strong written or spoken attack on, or defence of, a particular belief or opinion. a polemic against the danger of secret societies