Definition of Invalidate
to make something useless or to repeal it
Examples of Invalidate in a sentence
If your tickets are stolen, the distributor can invalidate them so they can’t be used. 🔊
The higher court’s ruling will invalidate the jury’s decision and free a wrongly imprisoned man. 🔊
When the probate court decided to invalidate my father’s will, it took away my inheritance. 🔊
The scientist was able to invalidate his peer’s theory by proving the hypothesis wasn’t possible in a normal environment. 🔊
The 21st amendment served to invalidate the 18th amendment by repealing the prohibition act. 🔊
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