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