Synonyms of polemical

2 Syllables
touchy, salty, spiky, factious, scrappy
3 Syllables
pugnacious, polemic, contentious, contrary, fire-eating, litigious, forensic, dialectic, eristic
4 Syllables
disputatious, debateable, belligerent, combative, controversial, quarrelsome
5 Syllables
opinionated, rationalistic