The phrase "took flight" denotes an action or movement of something flying away. The antonyms for this phrase could be "grounded," "stationary," or "landed." The word "grounded" refers to something being kept on the ground, while "stationary" means lacking movement or motion. "Landed" means that an object has safely come down to the ground after a flight. Other antonyms for "took flight" could include "stayed put," "settled," or "remained stationary". These words indicate a sense of stability and a lack of movement, which is the opposite of "took flight.