1. Having superior power and influence
   - paramount, predominant, predominate, preponderant, preponderating

1. Rule against
   - overrule, overturn, overthrow, reverse 
2. Prevail over
   "health considerations override financial concerns" 
3. Counteract the normal operation of (an automatic gear shift in a vehicle) 
4. Ride (a horse) too hard

See also: dominant

Type of: counteract, counterbalance, countervail, decree, dominate, neutralise [Brit], neutralize, predominate, prevail, reign, ride, rule, sit

Encyclopedia: Override

• low-carbon steel
• low-ceilinged
• low-class
• low-cost
• low-cut
• low-density
• low-density lipoprotein
• low-down
• low-fat
• low-fat diet
• low-fat milk
• low-grade
• low-growing
• low-interest
• low-key
• low-keyed
• low-level
• low-level formatting
• low-level radioactive waste
• low-lying
• low-minded
• low-necked
• low-pass filter
• low-pitched
• low-powered