The term "art tantamount to" relates to the achievement of excellence in artistic work. Antonyms for this term are words that describe the opposite qualities or conditions of artistic work. Some antonyms of "art tantamount to" include mediocre, unimpressive, dull, uncreative, and deficient. These words indicate a lack of skill, talent, or originality in the performance or creation of art. If someone describes a work of art as "mediocre," it means that it is below average in quality, while "unimpressive" means that it is just average or ordinary. Using antonyms can help us appreciate the value of art that is truly great, and avoid wasting our time and resources on mediocre and unoriginal creations.