1. Reject, invalidate, or set aside an existing decision, judgment, or authority
   "The Republicans were overruled when the House voted on the bill";
   - overturn, override, reverse
    
2. Reject or disallow by exercising one's superior authority
   "The judge overruled the objection"

Derived forms: overruled, overrules, overruling

Type of: decree, rule

Encyclopedia: Overrule