It is a bit challenging to find antonyms for the phrase "art in midair." However, an antonym for art can be lack of creativity or skill, while an antonym for midair can be on the ground, solid, or stationary. These antonyms may help to convey the opposite of the meaning of art in midair, which refers to the art of performing acrobatics or feats in the air. Similarly, the opposite of art in midair may be staid or static, highlighting the contrast between the dynamic, fluid nature of aerial art with more traditional forms of art.