polemic

nouns

a writer who argues in opposition to others (especially in theology)
polemic, polemicist, polemist
a controversy (especially over a belief or dogma)
polemic
is derived from
polemical
is derived from
polemize
is derived from
polemicize
is derived from
polemicise
is a type of (narrower)
a contentious speech act; a dispute where there is strong disagreement
"they were involved in a violent argument"
arguing, argument, contention, contestation, controversy, disceptation, disputation, tilt

adjectives

of or involving dispute or controversy
polemic, polemical