Merriam-Webster's Collegiate® Dictionary, 11th Edition
OFFENSIVE
I. adjective
Date: circa 1564
1. making attack ; aggressive , of, relating to, or designed for attack , of or relating to an attempt to score in a game or contest, giving painful or unpleasant sensations ; nauseous , obnoxious , causing displeasure or resentment , offensively adverb offensiveness noun
II. noun
Date: 1687
the act of an attacking party, attack