The act or process of annihilating.
The invalidation of a marriage, as for nonconsummation, effected by means of a declaration stating that the marriage was never valid.
The definition of cancellation is the act of cancelling something, or saying that something is no longer going to happen.
The annulment of a contract or deed
The act or process of negating.
The act of nullifying or the state of being nullified:
Same as tax avoidance.
Find another word for invalidation. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for invalidation, like: abolishment, abolition, abrogation, annihilation, annulment, cancellation, defeasance, negation, nullification, voidance and avoidance.