S: (n) battle, conflict, fight, engagement (a hostile meeting of opposing military forces in the course of a war) "Grant won a decisive victory in the battle of Chickamauga"; "he lost his romantic ideas about war when he got into a real engagement"
S: (n) war, state of war (a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply) "war was declared in November but actual fighting did not begin until the following spring"
S: (n) conflict, struggle, battle (an open clash between two opposing groups (or individuals)) "the harder the conflict the more glorious the triumph"--Thomas Paine; "police tried to control the battle between the pro- and anti-abortion mobs"
S: (n) war (a concerted campaign to end something that is injurious) "the war on poverty"; "the war against crime"