Select the most appropriate ANTONYM of the given word.

VITIATE

Affirm

The most appropriate antonym of the word "vitiate" is affirm.

• Vitiate means to make something less effective or valuable by making it corrupt or impure.
• Affirm means to state or declare something positively or emphatically.

The other words in the list are not antonyms of "vitiate".

• Violate means to break or disregard a law, rule, or agreement.
• Annul means to make something legally invalid or ineffective.
• Cancel means to make something no longer valid or effective.