Definition of overrules:
(v) :
(transitive) To rule or determine in a contrary way; to decide against; to abrogate or alter.
(v) :
(transitive) To nullify a previous ruling by a higher power.
(v) :
(transitive, law) To dismiss or throw out (a protest or objection) at a court.
(v) :
(transitive) To rule over; to govern or determine by superior authority.