noun 1.the process of military struggle between two nations or groups of nations; war.
2.armed conflict between two massed enemies, armies, or the like.
3.conflict, especially when vicious and unrelenting, between competitors, political rivals, etc.
Origin: 1425–75; late Middle English werefare, i.e., a faring forth to war; see
war1,
fare Related forms sem·i·war·fare, noun