war [wawr]

noun

a conflict carried on by force of arms, as between nations or between parties within a nation; warfare, as by land, sea, or air. a state or period of armed hostility or active military operations:

The two nations were at war with each other. a contest carried on by force of arms, as in a series of battles or campaigns: the War of 1812.

verb (used without object), warred, warring. Throughout her life she warred with sin and corruption.