(ə-grĕs')
intr.v.,
-gressed,
-gress·ing,
-gress·es.
To initiate an attack, war, quarrel, or fight:
"America . . . guaranteed that no EC state would aggress against another" (John J. Mearsheimer).
[French agresser, from Latin aggredī, aggress-, to attack : ad-, ad- + gradī, to go.]