Polemic (noun)

1. A strong verbal or written attack on someone or something.
2. A controversial argument or dispute.

Origin:

From french polemique, from greek polemikos, from polemos 'war'.

Examples:

1. Her article was a polemic against modern society's obsession with technology.
2. The political debate devolved into a polemic between the two candidates.
3. The novel sparked a polemic about the role of women in society.
4. The author's polemic against the traditional educational system was well received by many.
5. The newspaper published a polemic against the government's decision to cut funding for public education.