Main entry: nullification, override
Definition: the act of nullifying; making null and void; counteracting or overriding the effect or force of something
Main entry: override
Definition: a manually operated device to correct the operation of an automatic device
Main entry: overthrow, overturn, override, overrule, reverse
Definition: rule against
Usage: The Republicans were overruled when the House voted on the bill
Main entry: override
Definition: ride (a horse) too hard
Main entry: override
Definition: counteract the normal operation of (an automatic gear shift in a vehicle)
Main entry: override
Definition: prevail over
Usage: health considerations override financial concerns