Nouns

(n)offense, offence, offensivethe action of attacking an enemy

Adjectives

(s)offensive, violativeviolating or tending to violate or offend against“violative of the principles of liberty”, “considered such depravity offensive against all laws of humanity”
(a)offensivefor the purpose of attack rather than defense“offensive weapons”
(a)offensivecausing anger or annoyance“offensive remarks”
(a)unsavory, unsavoury, offensivemorally offensive“an unsavory reputation”, “an unsavory scandal”
(a)offensiveunpleasant or disgusting especially to the senses“offensive odors”
(s)nauseating, nauseous, noisome, queasy, loathsome, offensive, sickening, vilecausing or able to cause nausea“a nauseating smell”, “nauseous offal”, “a sickening stench”