1. engaging in heated debate or argument, especially about a controversial topic; writing or speaking in a way that attacks or refutes opposing views
Usage: British spelling (American: polemicizing); present participle or gerund form of 'polemicise'

Examples

• The professor spent the lecture polemicising against outdated economic theories.
• Rather than polemicising, the two scholars decided to find common ground.
• She was known for polemicising in academic journals about climate policy.
• He enjoyed polemicising with colleagues during faculty meetings.
• The author's tendency toward polemicising made her work both influential and controversial.
• Instead of polemicising endlessly, they proposed concrete solutions.