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ag•gress

Pronunciation: (u-gres'), [key]
—v.i.
1. to commit the first act of hostility or offense; attack first.
2. to begin to quarrel.

—v.t.
to behave aggressively toward; attack (often fol. by upon): wild animals aggressing their prey.

aggregative

aggression

See also:

aggress (Thesaurus)

Dictionary

ag•gress

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