noun
aggression
uh-GRESH-uhn/əˈɡreʃn/
Hostile or forceful behavior toward another person or state.
His aggression makes the other man recoil.

Etymology
Stepping toward someone supplied the image of an approach, which also became an attack. Aggression extended from an actual attack to hostile or destructive behavior more generally.
In context
You want to have that calculated Georges St-Pierre mind and that extreme aggression to finish the fight.
More examples
- The speech condemned military aggression.
- She responded to aggression with calm firmness.
- The policy aimed to discourage aggression.
Forms
aggression
aggressive adjective — Ready to attack, confront, or press forcefully.
Similar words
- hostility
- Hostility can remain an attitude rather than active force.
- belligerence
- Belligerence emphasizes readiness to fight.