We use cookies to enhance your experience on our website. By continuing to use our website, you are agreeing to our use of cookies. You can change your cookie settings at any time. Find out more

Subscriber login

Library card login

Other

X Close menu

Dictionary Language resources

vitiate

Pronunciation: /ˈvɪʃɪeɪt/

Definition of vitiate

verb

[with object] formal

spoil or impair the quality or efficiency of:development programmes have been vitiated by the rise in population
destroy or impair the legal validity of: the insurance is vitiated because of foolish acts on the part of the tenant