offensive in WordNet English dictionary

1. substitute a harsher or distasteful term for a mild one
   "`nigger' is a dysphemistic term for `African-American'"
   dysphemistic  offensive 
   
2. causing or able to cause nausea
   "a nauseating smell"; "nauseous offal"; "a sickening stench"
   nauseating  nauseous  noisome  queasy  loathsome  offensive  sickening  vile 
   
3. unpleasant or disgusting especially to the senses
   "offensive odors"
   offensive 
   
4. causing anger or annoyance
   "offensive remarks"
   offensive 
   
5. for the purpose of attack rather than defense
   "offensive weapons"
   offensive 
   
6. morally offensive
   "an unsavory reputation"; "an unsavory scandal"
   unsavory  unsavoury  offensive 
   
7. violating or tending to violate or offend against
   "violative of the principles of liberty"; "considered such depravity offensive against all laws of humanity"
   offensive  violative 
   

1. the action of attacking an enemy
   offense  offence  offensive