There are several antonyms for the word "art sunk," which means a decline in the quality or value of art. One antonym is "artistic revival," which refers to a period of renewed creativity and artistic ingenuity. Another antonym is "artistic ascension," which indicates a rise in the level of artistic expression or skill. Additionally, "artistic renaissance" is an antonym for this term, indicating a time of rebirth and renewed interest in the arts. Overall, these antonyms indicate an increase in the value, creativity, and relevance of art rather than a decline, providing a sense of hope and optimism for the future of artistic expression.