Definitions of override:

• noun:   a manually operated device to correct the operation of an automatic device
• noun:   the act of nullifying; making null and void; counteracting or overriding the effect or force of something
• verb:   counteract the normal operation of (an automatic gear shift in a vehicle)
• verb:   prevail over

  Example: "Health considerations override financial concerns"

• verb:   ride (a horse) too hard
• verb:   rule against