Art in offing refers to the prospect or possibility of artistic work or creative endeavors in the near future. Antonyms for this phrase could include terms that express a lack of creative potential or a sense of dullness. For example, phrases like "no art on the horizon," "artless future," or "creativity barren" can describe situations where there is no hope or expectation for art. Other antonyms could include phrases like "nonartistic prospect," "uninspired future," or "lifeless forecast." In contrast to the positive and hopeful connotations of art in offing, these antonyms evoke a sense of disappointment or lack of potential for artistic expression.