The antonyms for the phrase "be in midair" refer to situations where objects or people are firmly grounded. When something is stationary, it is opposite to being in midair. This might include standing, sitting, lying, or resting. While in midair, there is a sense of instability and unpredictability, whereas the antonyms suggest steadiness and predictability. The opposite of being in midair can also refer to being on a solid foundation, such as on the ground, on a building or structure, or on an object that is firmly anchored. The antonyms for being in midair help us to appreciate the stability and security of being grounded.