Learner's definition of UNSTEADY
[more unsteady; most unsteady]
not steady: such as
not standing or moving in a steady and balanced way
The stool/ladder is unsteady.
He was a little unsteady on his feet.
The horse walked with an unsteady gait.
shaking or moving because of nervousness, weakness, etc.
not happening or proceeding in a smooth and constant way