Antonyms for the phrase "touched down" might include phrases such as "took off," "ascended," or "lifted off." These phrases all indicate a movement upwards, rather than towards the ground. Other potential antonyms might include "hovered," "suspended," or "levitated," all of which suggest a state of being stationary in the air. While "touched down" typically implies a plane or other aircraft landing, antonyms for the phrase could refer to a variety of movements, such as a rocket launch, a bird taking flight, or a hot air balloon rising into the sky.