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to invalidate
01
to prove that something is incorrect or flawed, making it not acceptable or reliable
Transitive: to invalidate an idea or argument
02
to cancel the legal power or effect of a document or action
Transitive: to invalidate a document or action
invalidate
v
validate
v
valid
adj
invalidator
n
invalidator
n
Example
The new evidence invalidated the previous hypothesis.
The team is invalidating the outdated theories.
The flaws in the logic invalidated the entire theory.
Her counterargument effectively invalidated his point.
She invalidates faulty arguments during debates.
