1.
If you are ~, you have difficulty doing something, for example walking, because you cannot completely control your legs or your body.
The boy was very ~ and had staggered around when he got up...
He poured coffee into the mugs, and with an ~ hand, held one of them out to David.
ADJ
unsteadily
She pulled herself unsteadily from the bed to the dresser.
ADV: ADV with v
2.
If you describe something as ~, you mean that it is not regular or stable, but unreliable or unpredictable.
His voice was ~ and only just audible...
ADJ
3.
Unsteady objects are not held, fixed, or balanced securely.
...a slightly ~ item of furniture.
ADJ: usu ADJ n