Of or pertaining to polemics or controversy; controversial; polemic: as, polemical logic.

adjective. Polemic; controversial; disputatious.

adjective. of, or relating to argument or controversy; polemic or contentious

adjective. aggressive in verbal attack; disputatious.

noun. A diatribe or polemic

adjective. of or involving dispute or controversy

"Lambeth council, which is consulting the public on the idea until September 10, admits the debate is "polemical" - with local residents and businesses in favour of a ban but cyclists opposed."

controversial  

agrochemical  biochemical  chemical  photochemical  

acrimonious  argumentative  autobiographical  biographical  casuistical  

aggressive  argumental  argumentative  bellicose  belligerent