释义 |
invalidateinvalidate /ɪnˈvæləˌdeɪt/ ●○○ AWL verb [transitive] VERB TABLEinvalidate |
Present | I, you, we, they | invalidate | | he, she, it | invalidates | Past | I, you, he, she, it, we, they | invalidated | Present perfect | I, you, we, they | have invalidated | | he, she, it | has invalidated | Past perfect | I, you, he, she, it, we, they | had invalidated | Future | I, you, he, she, it, we, they | will invalidate | Future perfect | I, you, he, she, it, we, they | will have invalidated |
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Present | I | am invalidating | | he, she, it | is invalidating | | you, we, they | are invalidating | Past | I, he, she, it | was invalidating | | you, we, they | were invalidating | Present perfect | I, you, we, they | have been invalidating | | he, she, it | has been invalidating | Past perfect | I, you, he, she, it, we, they | had been invalidating | Future | I, you, he, she, it, we, they | will be invalidating | Future perfect | I, you, he, she, it, we, they | will have been invalidating |
1to make a document, ticket, claim, etc. not legally or officially acceptable anymore: They invalidated his insurance policy because he hadn’t paid.2to show that something such as a belief or explanation is wrong: Later findings invalidated the theory. |