shaking or moving in a way you cannot control:
He poured the coffee with a very unsteady hand.
a baby's first unsteady steps
She was quite unsteady on her feet (=she might fall over).
showing that you are nervous:
Her voice was unsteady.
She took a deep unsteady breath.
an unsteady object is not balanced very well and could fall:
an unsteady ladder
an unsteady situation, relationship etc could change or end at any time:
an unsteady peace
—unsteadiness noun [uncountable]