invalidate

/ˌɪnˈvæl.ɪ.deɪt/verb

To make something no longer valid or legally binding, especially a contract or ruling.

Example sentences

“Signing under pressure can invalidate a contract.”
“Changing even one number on the form could invalidate your application.”

Common in legal and scientific contexts: an error can invalidate a contract or an experiment.

Synonyms for invalidate

void
nullify
annul
cancel

Antonyms

validate
confirm
ratify

Related words

disproveTo show that a claim or belief is not true.invaluableSo useful or precious that its worth cannot be measured.inundateTo flood a place with water, or to overwhelm someone or something with a huge amount.inventoryThe quantity of goods a business or location currently holds in stock.intuitiveUnderstood or done naturally, without needing conscious thought.invincibleImpossible to beat or conquer.