Part of speech:
To offset or cancel each other
(Obsolete) To void or expel.
(Medicine) To empty.
To suppress a legal document, particularly a subpoena, for reasons based on defect in manner of service or for other procedural or substantive reasons that invalidate the document; to void or terminate; to vacate a judicial decision.
The definition of annul means to do away with, make null and void or reduce to nothing.
To interfere with; to impair; to render null and void; to cause to have no effect.
To throw into confusion; unsettle.
Undermine is defined as to dig beneath, weaken or injure.
To cancel or invalidate by withdrawing or reversing
To smudge with an offset
(Slang) To remove as a threat, especially by killing.
To make ineffective or invalid; nullify:
To do away with completely; put an end to; esp., to make (a law, etc.) null and void
(Usage Problem) To repudiate.
To extinguish is defined as to put out, put an end to, or to settle a debt.
The definition of annihilate means to completely destroy.
To establish the soundness, accuracy, or legitimacy of:
To afford opportunity; allow:
The definition of approve is to say you like something or you are alright with it happening.
Find another word for invalidating. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for invalidating, like: disconfirming, cancelling, nullifying, avoiding, voiding, quashing, annulling, vitiating, undoing, undermining and revoking.