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) war, warfare (an active struggle between competing entities) "a price war"; "a war of wits"; "diplomatic warfare"
S: (n) war (a concerted campaign to end something that is injurious) "the war on poverty"; "the war against crime"
S: (v) contend, fight, struggle (be engaged in a fight; carry on a fight) "the tribesmen fought each other"; "Siblings are always fighting"; "Militant groups are contending for control of the country"
S: (v) battle, combat (battle or contend against in or as if in a battle) "The Kurds are combating Iraqi troops in Northern Iraq"; "We must combat the prejudices against other races"; "they battled over the budget"
S: (v) attack, assail (launch an attack or assault on; begin hostilities or start warfare with) "Hitler attacked Poland on September 1, 1939 and started World War II"; "Serbian forces assailed Bosnian towns all week"
S: (v) duel (fight a duel, as over one's honor or a woman) "In the 19th century, men often dueled over small matters"
S: (v) joust (joust against somebody in a tournament by fighting on horseback)