1
: to make (something) no longer valid
Congress overrode the President's veto.
These new rules override the old ones.
2
: to have more importance or influence than (something)
Don't let anger override common sense.
3
: to stop an action that is done automatically by using a special command
You must enter a code to override the alarm.
She overrode the default settings on her computer.
Cite this Entry
“Override.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/override. Accessed 28 Jun. 2026.
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