WordWeb Online

1. Of or involving dispute or controversy
   "Preaching and exegetical literature might also have a polemic purpose";
   - polemical

1. A writer who argues in opposition to others (especially in theology)
   - polemicist, polemist
    
2. A controversy (especially over a belief or dogma)

Derived forms: polemics

See also: controversial

Type of: arguing, argument, author, contention, contestation, controversy, disceptation, disputation, tilt, writer

Encyclopedia: Polemic