Unsteady (adjective)

Not firm and stable.

Origin:

From un- (prefix meaning "not") + steady (adjective meaning "firm and stabl.e")

Examples:

1. The ladder was unsteady, so I couldn't climb it.
2. He felt unsteady on his feet after the long flight.
3. The stock market was unsteady and many investors were worried.
4. She had to hold on to the wall, because she felt unsteady.
5. The boat was unsteady and it was difficult to keep balance.