What it means

1. adjective unpleasant or disgusting especially to the senses
   “offensive odors”
2. adjective causing anger or annoyance
   “offensive remarks”
3. adjective for the purpose of attack rather than defense
   “offensive weapons”
4. adjective violating or tending to violate or offend against
   “violative of the principles of liberty”
5. adjective morally offensive
   “an unsavory reputation”
6. adjective causing or able to cause nausea
   “a nauseating smell”
7. noun the action of attacking an enemy