belligerent

Engaged in warfare, warring.

Eager to go to war, warlike.

Of or pertaining to war.

Aggressively hostile, eager to fight.

England were not allowed to give their chariot the momentum it had a week ago. It was stopped dead in its tracks by a belligerent Springboks defence that simply refused to yield.

Acting violently towards others.

A state or other armed participant in warfare

The UN sent a treaty proposal to the belligerents.