1. Having superior power and influence
   "the overriding mood among policy-makers is optimism";
   - paramount, predominant, predominate, preponderant, preponderating

1. Prevail over
   "health considerations override financial concerns"
    
2. Reject, invalidate, or set aside an existing decision, judgment, or authority
   "Parliament voted to override the committee's decision";
   - overrule, overturn, reverse
    
3. Counteract the normal operation of (an automatic gear shift in a vehicle)
   "The driver had to override the automatic transmission to navigate the steep hill"
    
4. (riding) ride (a horse) too hard
   "The inexperienced rider overrode the horse, causing it to tire quickly"

See also: dominant

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

Encyclopedia: Overriding