Invalidate | Mean of invalidate in English Dictionary
/ɪnˈvæləˌdeɪt/
- Verb
- to make (something) invalid: such as
- to weaken or destroy the effect of (something)
- actions that will invalidate the contract
- invalidate a marriage
- invalidate an election
- to show or prove (something) to be false or incorrect
- The study invalidates earlier theories.
- factors that may invalidate the test results