Defn: To set upon; to attack. [R.]
AGGRESSION
Ag*gres"sion, n. [L. aggressio, fr. aggredi: cf. F. agression.]
Defn: The first attack, or act of hostility; the first act of injury, or first act leading to a war or a controversy; unprovoked attack; assault; as, a war of aggression. "Aggressions of power." Hallam
Syn. — Attack; offense; intrusion; provocation.
AGGRESSIVE
Ag*gres"sive, a. [Cf. F. agressif.]
Defn: Tending or disposed to aggress; characterized by aggression; making assaults; unjustly attacking; as, an aggressive policy, war, person, nation. — Ag*gres"sive*ly, adv. — Ag*gres"sive*ness, n.
No aggressive movement was made.
Macaulay.
AGGRESSOR
Ag*gres"sor, n. Etym: [L.: cf. F. agresseur.]
Defn: The person who first attacks or makes an aggression; he who begins hostility or a quarrel; an assailant. The insolence of the aggressor is usually proportioned to the tameness of the sufferer. Ames.
AGGRIEVANCE
Ag*griev"ance, n. Etym: [OF. agrevance, fr. agrever. See Aggrieve.]