Polemic
/pəˈlɛmɪk/
noun
A person who writes in support of one opinion, doctrine, or system, in opposition to another; one skilled in polemics; a controversialist; a disputant.
An argument or controversy.
A strong verbal or written attack on someone or something.
Synonyms: controversialist, disputant, polemicist, harangue, philippic, rant, screed, tirade
adjective
Having the characteristics of a polemic.
Synonyms: polemical