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to invalidate
01
to prove that something is incorrect or flawed, making it not acceptable or reliable
02
take away the legal force of or render ineffective
03
show to be invalid
04
make invalid for use
Example
Her counterargument effectively invalidated his point.
The new evidence invalidated the previous hypothesis.
The team is invalidating the outdated theories.
The flaws in the logic invalidated the entire theory.
She invalidates faulty arguments during debates.
