WordWeb Online

1. Become different in some particular way
   "The supermarket's selection of vegetables varies according to the season";
   - change, alter
    
2. Be at variance with; be out of line with
   - deviate, diverge, depart
    
3. Be subject to change in accordance with a variable
   "Prices vary"; "His moods vary depending on the weather"
    
4. Make something more diverse and varied
   "Vary the menu";
   - variegate, motley

Derived forms: varied, varying, varies

Type of: differ, diversify