The phrase "art granted" means something that has been acknowledged and accepted as true or valid. The antonyms for this phrase would therefore be words that express disbelief or rejection. Some possible antonyms for "art granted" include "disputed," "questionable," "incredulous," "doubtful," "denied," "rejected," or "refuted." These antonyms convey the opposite meaning of "art granted," indicating something that is not a universally accepted truth, but rather an opinion or belief that is up for debate or scrutiny. By using these antonyms, one can express skepticism or disagreement with a particular claim, thesis, or argument.