[ 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.

Nearby words

  1. aggregately,
  2. aggregation,
  3. aggregative,
  4. aggregator,
  5. aggregatory,
  6. aggression,
  7. aggressive,
  8. aggressive infantile fibromatosis,
  9. aggressive mimicry,
  10. aggressively

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. 2019

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

Word Origin and History for aggress



"attack," 1714, back-formation from aggression, but used earlier with a sense of "approach" (1570s) and in this sense from French aggresser, from Late Latin aggressare, frequentative of Latin aggredi "to approach, attack." Related: Aggressed; aggressing.

Online Etymology Dictionary, © 2010 Douglas Harper