To contend in physical conflict, either singly or in war, battle etc.
To conduct or engage in (battle, warfare etc.).
To engage in combat with; to oppose physically, to contest with.
Of colours or other design elements: to clash; to fail to harmonize.
To try to overpower; to fiercely counteract.
To contend in physical conflict with each other, either singly or in war, battle etc.
To strive for something; to campaign or contend for success.
An occasion of fighting.
A physical confrontation or combat between two or more people or groups.
A conflict, possibly nonphysical, with opposing ideas or forces; strife.
The will or ability to fight.
A boxing or martial arts match.
To enter into an armed conflict.
(of a person) To depart, typically from one's home, to join an army at war.