war

noun

1.
the waging of armed conflict against an enemy
gouthcraft warring warfare
Derived from:
war
2.
a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply
state of war
Antonym:
peace
Derived from:
war
3.
an active struggle between competing entities
warfare
4.
a concerted campaign to end something that is injurious