"Got one's feet" is a phrase that signifies that someone has found their footing or has become comfortable in a particular situation. Its antonyms would imply the opposite, like being uncomfortable, slipping or stumbling, or being uncertain or lost. Some possible antonyms for "got one's feet" could be "lost one's footing," "off-balance," "insecure," "uncertain," "unsteady," "unsure," "vulnerable," "wobbly," or "wary." These antonyms could be used to describe a person who is struggling to adapt to unfamiliar surroundings or to convey a sense of precariousness or instability in a situation.
