I. noun
Synonyms: attack 1, aggression, assailment, offense, offensive, onfall, onset, onslaught
Related Word: brush, clash, invasion, melee, skirmish; brawl, contest, fracas, set-to
II. verb
Synonyms: attack 1, aggress, assail, beset, fall (on or upon), storm, strike
Related Word: battle, fight, war; clash, collide, encounter, engage; skirmish