conflict, fighting, hostilities, combat; see battle 1; fight 1.

Types of wars include: air, guerrilla, shooting, ground, sea, amphibious, three-dimensional, trench, naval, aerial, land, push-button, hot, cold, total, limited, civil, revolutionary, political, religious, preventive, world, offensive, defensive, biological, bacteriological, germ, chemical, atomic, nuclear, psychological, atomic-bacteriological-chemical, chemical-bacteriological-radiological; war of attrition, war to end all wars, war of nerves, campaign, crusade, religious, holy war, jihad, Armageddon, blitzkrieg.

fight, battle, go to war, wage war against, make war on, engage in combat, take the field against, contend, contest, meet in conflict, march against, attack, bombard, shell, kill, shoot, murder.