[ uh-gres ]
/ əˈgrɛs /

verb (used without object)

to commit the first act of hostility or offense; attack first.
to begin to quarrel.

verb (used with object)

to behave aggressively toward; attack (often followed by upon): wild animals aggressing their prey.

Origin of aggress

1565–75; < Latin aggressus (past participle of aggredī to attack), equivalent to ag- ag- + gred- (see grade) + -tus past participle suffix Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for aggress

British Dictionary definitions for aggress

/ (əˈɡrɛs) /


(intr) to attack first or begin a quarrel

Word Origin for aggress

C16: from Medieval Latin aggressāre to attack, from Latin aggredī to attack, approach
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012