invalidate

US /ɪnˈvæl.ə.deɪt/
UK /ɪnˈvæl.ə.deɪt/
"invalidate" picture
1.

使无效, 使失效

make (an argument, statement, or theory) unsound or invalid

:
New evidence could invalidate the previous findings.
新证据可能会使之前的发现失效
His alibi was strong, but the new witness's testimony might invalidate it.
他的不在场证明很充分,但新证人的证词可能会使其失效
2.

使丧失能力, 使无效

deprive (a person) of legal effectiveness because of a disability or illness

:
A severe injury could invalidate him from continuing his career.
严重的伤势可能会使他无法继续他的职业生涯。
The court ruled that his mental state did not invalidate his will.
法院裁定他的精神状况并未使他的遗嘱失效