invalidate

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invalidate /ɪnˈvæləˌdeɪt/ verb
invalidates; invalidated; invalidating
invalidate
/ɪnˈvæləˌdeɪt/
verb
invalidates; invalidated; invalidating
Learner's definition of INVALIDATE
[+ object]
: to make (something) invalid: such as
: to weaken or destroy the effect of (something)
: to show or prove (something) to be false or incorrect
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