the GNU version of the Collaborative International Dictionary of English
n. A polemic.
The Century Dictionary and Cyclopedia
n. One given to controversy; a polemic.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a writer who argues in opposition to others (especially in theology)
Word Usage
"Marie Syrkin is best known as a polemicist for the State of Israel, whose keen arguments appeared in a wide range of publications for a period of almost seventy years."