#1 attack v. [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". wn
#2 attack n. [onslaught, onset, onrush] (military) an offensive against an enemy (using weapons); "the attack began at dawn". wn
#3 attack v. [round, assail, lash out, snipe, assault] attack in speech or writing; "The editors of the left-leaning paper attacked the new House Speaker". wn
#4 attack v. [aggress] take the initiative and go on the offensive; "The Serbs attacked the village at night"; "The visiting team started to attack". wn
#5 attack v. [assail, assault, set on] attack someone physically or emotionally; "The mugger assaulted the woman"; "Nightmares assailed him regularly". wn
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