Definition of offensive:
the action of attacking an enemy
violating or tending to violate or offend against; "violative of the principles of liberty"; "considered such depravity offensive against all laws of humanity"
for the purpose of attack rather than defense; "offensive weapons"
causing anger or annoyance; "offensive remarks"
morally offensive; "an unsavory reputation"; "an unsavory scandal"
unpleasant or disgusting especially to the senses; "offensive odors"
substitute a harsher or distasteful term for a mild one ; "`nigger' is a dysphemistic term for `African-American'"
causing or able to cause nausea; "a nauseating smell"; "nauseous offal"; "a sickening stench"