the.com/invalidation
The art of telling someone their feelings filed the wrong paperwork.
means Dismissing or denying the legitimacy of someone's emotions, experiences, or perceptions as wrong or unworthy.
from From Latin invalidus, weak or infirm — to render something not strong, not standing, not valid, the prefix in- meaning not.
Therapy termCore concept in dialectical behavior therapy.
Two flavorsSoftware invalidates caches; people invalidate each other.
Stealth move