o ‧ ver ‧ rule /ˌəʊvəˈruːl $ ˌoʊ-/ BrE AmE verb [transitive]
[ Word Family: noun : ↑ rule , ↑ ruler , ↑ ruling , ↑ unruliness ; adjective : ↑ ruling , ↑ unruly , ↑ ruled ; verb : ↑ rule , ↑ overrule ]
to change an order or decision that you think is wrong, using your official power:
The House of Lords overruled the decision of the Court of Appeal.
They have the power to overrule the local council.