Definition Definition

invalidate - Meaning and Examples

Meaning of 'invalidate' (Webster Dictionary)

1 . Invalidate [ v. t.]
- To render invalid; to weaken or lessen the force of; to destroy the authority of; to render of no force or effect; to overthrow; as, to invalidate an agreement or argument.

Meaning of 'invalidate' (Princeton's WordNet)

1 . invalidate [ v]
Meaning (1):
- make invalid for use
Example in sentence:
  • cancel cheques or tickets
Meaning (2):
- take away the legal force of or render ineffective
Example in sentence:
  • invalidate a contract
Meaning (3):
- declare invalid
Example in sentence:
  • The contract was annulled;
  • void a plea