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aggress

[uh-gres]
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verb (used without object)
  1. to commit the first act of hostility or offense; attack first.
  2. to begin to quarrel.
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verb (used with object)
  1. to behave aggressively toward; attack (often followed by upon): wild animals aggressing their prey.
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Origin of aggress

1565–75; < Latin aggressus (past participle of aggredī to attack), equivalent to ag- ag- + gred- (see grade) + -tus past participle suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

chargefightbesetassaultstormstrikeassailquarrel

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British Dictionary definitions for aggress

aggress

verb
  1. (intr) to attack first or begin a quarrel
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Word Origin

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

v.

"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.

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Online Etymology Dictionary, © 2010 Douglas Harper