invalidating
Definitions
To weaken, discredit, or deprive of legal or official force.
To cause a person to feel that their thoughts, feelings, or experiences are unimportant or illegitimate.
Examples
By constantly dismissing her feelings, he was invalidating her lived experience.
The judge ruled that the new evidence was invalidating the previous testimony provided by the witness.
Synonyms
nullifying negating voiding discrediting refuting canceling debunking
Antonyms
validating confirming supporting verifying ratifying substantiating endorsing