truculent

Disposed or eager to fight or engage in hostile opposition; belligerent.

Showing or expressing bitter opposition or hostility; aggressively defiant.

Disposed to violence; ferocious or cruel.

Fierce; savage; barbarous.

Inspiring terror; ferocious.

Cruel; destructive.

Fierce; savage; ferocious; barbarous.

Cruel; destructive; ruthless.

cruel or savage

Deadly or destructive.