D defs.my
Entry 4 senses · 3 variants Webster, 1913

Aggress

/əg-rĕs'/ · Ag·gress · IPA /əˈɡɹɛs/
01 v. i. To commit the first act of hostility or offense; to begin a quarrel or controversy; to make an attack; -- with on.
imp. & p. p. Aggressed; p. pr. & vb. n. Aggressing
  1. 1.
    To commit the first act of hostility or offense; to begin a quarrel or controversy; to make an attack; -- with on.
  2. 2.
    take the initiative and go on the offensive, as in a game.
Syn. attack
02 v. t. To set upon; to attack.
  1. 1.
    To set upon; to attack.[R.]
03 n. Aggression.
  1. 1.
    Aggression.[Obs.]
    “Their military aggresses on others.” Sir M. Hale.