To fight offensively; used of an army
assault, strike, invade, storm, advance, beset, besiege, beleaguer, infiltrate, take offensive action, raid, assail, encircle, march against, take the initiative, take the offensive, charge, fire at, shoot at, snipe at, come at, run at, shell, ambush, take by surprise, sally forth, make a push, bombard, bomb, go over the top, fall on, fall upon, burst upon, fire the first shot, fan out, mushroom out, lay siege to, open fire, bear down on, swoop down on, launch an attack, spring on, advance on, turn on, strafe, waylay, aggress, engage, tilt against, set upon, torpedo, stone, fire at, fire on, push, combat, attempt violence to, trespass against, launch an offensive, mount an offensive, begin hostilities against, take up arms against, rush, fusillade, barrage, strike the first blow, counterattack, enfilade, bayonet, saber, stab, pelt, blitz, pounce on, close with*, pepper*, rake*, light into*, sail into*, go for*, have at*, open up on*, let have it*.
To assault; used of an individual
assault, assail, combat, knock down, seduce, rape, punch, kick, molest, beat, hit, overwhelm, kidnap, strike, club, stab, knock unconscious, throw oneself on, throw oneself upon, lift a hand against, tackle, fly at, lay into*, tear into*, pitch into*, gang up on*, lower the boom on*, go for the jugular*, mug*, jump*; see also sense 1.
To assail with words
To proceed vigorously
attack implies vigorous, aggressive action, whether in actual combat or in an undertaking to attack a city, to attack a problem; assail means to attack by or as if by repeated blows or thrusts assailed by reproaches; assault implies a sudden, violent attack or onslaught and suggests direct contact and the use of force; beset implies an attack or onset from all sides beset with fears; storm suggests a rushing, powerful assault that is stormlike in its action and effect; bombard means to attack with artillery or bombs, and in figurative use suggests persistent, repetitious action to bombard a speaker with questions
Offensive tactical action
assault, raid, onslaught, advance, charge, thrust, lunge, offense, drive, strike, aggression, offensive, onset, irruption, outbreak, offensive military operation, push, storming, assailment, broadside, volley, sally, coup de main (French), shooting, barrage, bombardment, fusillade, cannonade, siege, firing, trespass, blockade, boarding, cross-fire, assailing, initiative, invasion, incursion, forced entrance, intrusion, intervention, increased presence, onrush, inroad, encroachment, counterattack.
Types of military attack include: commando raid, air strike, air raid, blitzkrieg, charge, sortie, foray, counterforce, siege, bombardment, bomb run, invasion, infiltration, encirclement, wave, pincer movement, strafing, fire mission, firing pass, low-level attack, mast-level attack, kamikaze, suicide attack, atomic thrust, nuclear armored thrust, torpedo attack, mechanized attack, amphibious landing, depth charge, shelling, banzai charge, mortar attack.
To set upon with violent force:aggress, assail, assault, beset, fall on (or upon), go at, have at, sail into, storm, strike. (Informal) light into, pitch into. See attack
To start work on vigorously:go at, sail in, tackle, wade in (or into). Idiom: hop to it. See work
The act of attacking:aggression, assailment, assault, attempt, offense, offensive, onrush, onset, onslaught, strike. See attack
A method used in dealing with something:approach, course, line, modus operandi, plan, procedure, tack, technique. See means
A sudden and often acute manifestation of a disease:access, fit2, seizure. (Informal) spell3. See health