1. the action of making something legally or officially void or invalid
Usage: legal
2. the action of proving something to be false or incorrect
3. the dismissal or rejection of someone’s feelings, thoughts, or experiences as unimportant
Usage: psychology

Examples

• The court ordered the invalidation of the contract due to fraud.
• The invalidation of the election results sparked widespread protests.
• New evidence led to the invalidation of the scientific theory.
• The experiment’s invalidation of the hypothesis surprised researchers.
• Constant invalidation of her feelings damaged their relationship.
• Parents should avoid the invalidation of their children’s emotions.
• The invalidation of his parking permit left him unable to park on campus.