Invalidation

//ɪnˌvæl.əˈdeɪ.ʃən// noun

Definitions

Noun
  1. 1
    The act of invalidating, or the state of being invalidated countable, uncountable
  2. 2
    (law) a formal termination (of a relationship or a judicial proceeding etc.) wordnet
  3. 3
    when a person's thoughts and feelings are rejected, ignored, or judged. wordnet

Etymology

From invalidate + -ion or in- + validation.

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