
Polemical
Critical Tone
Polemical refers to a tone that's critical and sometimes aggressive, typically used to challenge or argue against a belief. 
Debate Setting
Use 'polemical' in situations where debate or argumentation is happening, especially when someone is taking a firm, oppositional stance. 
Academic Context
In academic contexts, 'polemical' can describe texts or discussions that engage in scholarly debates, employing thorough critique. 