Wobbly (adjective)

1. Unsteady or unstable in movement or position.
2. Likely to sway or rock.
3. Lacking firmness or solidity.

Origin:

Wobbly is of uncertain origin.

Examples:

1. The table was wobbly and had to be propped up.
2. He felt wobbly on his feet after the long hike.
3. The ladder felt wobbly and I was afraid to climb it.
4. The baby's first steps were wobbly and uncertain.
5. The chair's legs were wobbly and needed to be fixed.