Begrimes means to make dirty or stain with dirt or grime. Its antonyms, on the other hand, refer to the opposite of this action. The word cleanse is one antonym of begrimes, referring to the act of cleaning or purging dirt or grime from an object or surface. Another antonym for begrimes is purify, which means to remove impurities or make something clean and free from contaminants. Additionally, the word sanitize could also be an antonym for begrimes, as it refers to the act of cleaning something thoroughly and eliminating germs and bacteria. These antonyms of begrimes imply the action of restoring something to its original state of cleanliness and purity.