polemic

US /pəˈlem.ɪk/
UK /pəˈlem.ɪk/
"polemic" picture
1.

a strong verbal or written attack on someone or something

:
His book was a fierce polemic against the government's policies.
The article was a strong polemic in favor of environmental protection.
1.

of or relating to a polemic; involving dispute or controversy

:
His writing style is often described as highly polemic.
The debate became increasingly polemic as the evening progressed.