Từ điển trực tuyến - Online Dictionary

English - Vietnamese Dictionary
invalidate /in'vælideit/
  • ngoại động từ
    • làm mất hiệu lực
    • (từ Mỹ,nghĩa Mỹ) làm cho không có căn cứ
Concise Dictionary
+declare invalid
+make invalid for use
+show to be invalid
+take away the legal force of or render ineffective

Advanced English Dictionary
+ verb [VN]
1 to prove that an idea, a story, an argument, etc. is wrong: This new piece of evidence invalidates his version of events.
2 if you invalidate a document, contract, election, etc., you make it no longer legally or officially valid or acceptable
invalidation noun [U]

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