Select the most appropriate ANTONYM of the given word.

Defile

Purify

The most appropriate antonym of the word defile is purify.

• Defile means "to make something dirty, unclean, or impure."
• Purify means "to make something clean, pure, or undefiled."

The other words do not have the same meaning as defile, so they are not its antonyms.

• Regularize means "to make something regular or orderly."
• Labor means "to work hard or strenuously."
• Particularize means "to give specific details or information."