The phrase "were midair" has a number of possible synonyms that can be used to convey the same meaning. Some possible options include "hovering," "suspended," "floating," "up in the air," "in flight," "aloft," and "airborne." Each of these synonyms captures a slightly different aspect of the idea of being in the midst of flight or levitation. For example, "hovering" suggests a state of stillness or near-stillness, while "airborne" emphasizes motion and speed. Ultimately, the choice of which synonym to use will depend on the specific context and tone of the writing in question.