WordWeb Online

1. Opposed to
   "I'm against commercialization of space"
    
2. Playing in opposition to
   "Manchester against Liverpool should be a good match";
   - versus
    
3. In contact with
   "leaning against the door"
    
4. In a direction opposite to
   "swimming against the tide"
    
5. In contrast to
   "look dark against the window"

Encyclopedia: Against