Polemical (adjective)

1. Relating to or involving dispute or controversy.
2. Expressing or intending to support a controversial or disputed viewpoint, especially in an argumentative or aggressive manner.

Origin:

The word 'polemical' comes from the greek word 'polemos' meaning war or dispute. it has been used in english since the 17th century to describe someone or something that is involved in a controversy or dispute.

Examples:

1. The debate was marked by polemical exchanges between the two sides, each arguing their position with passion.
2. The article was written in a polemical style, with the author taking a strong stance on the issue.
3. The lecture was polemical in nature, addressing controversial topics and sparking heated discussions among the audience.
4. The book was highly polemical, taking on a number of hot-button issues and challenging popular opinions.
5. The speech was polemical, aimed at rallying support for a particular cause and taking on its opponents.