/ɪnˈvælɪdeɪt ||; ɪnˈvæləˌdet/verb[T] 1 to show that an idea, a story, an argument, etc is wrong 表明(想法、说法、论点等)是错的: This new piece of evidence invalidates his version of events. 这件新证据表明他的说法是错的。
2 if you
invalidate a document, contract, election, etc, you make it no longer legally or officially valid or acceptable 使(文件、合约、选举等)无效、作废
[OPP] validate 反义词为validate➔invalidation /ɪnˌvælɪˈdeɪʃn ||; ɪnˌvæləˈdeʃən/ noun [U]