1. [syn: annulment, invalidation]
The Collaborative International Dictionary of English v.0.48:
Invalidation \In*val`i*da"tion\, n.
The act of inavlidating, or the state of being invalidated.
So many invalidations of their right. --Burke.
WordNet (r) 3.0 (2006):
n 1: (law) a formal termination (of a relationship or a judicial
proceeding etc) [syn: annulment, invalidation]
Moby Thesaurus II by Grady Ward, 1.0:
51 Moby Thesaurus words for "invalidation":
abolishment, abolition, abrogation, annulment, cancel, canceling,
cancellation, cassation, counterbalancing, countermand,
counterorder, defeasance, disconfirmation, disproof, disproval,
disproving, explosion, expose, exposure, frustration, negation,
neutralization, nullification, offsetting, recall, recantation,
redargution, reductio ad absurdum, renege, repeal, rescinding,
rescindment, rescission, retraction, reversal, revocation, revoke,
revokement, setting aside, suspension, thwarting, undoing,
vacation, vacatur, vitiation, voidance, voiding, waiver, waiving,