"unsteady" in the adjective sense
1. unsteady
subject to change or variation
"her unsteady walk"
"his hand was unsteady as he poured the wine"
"an unsteady voice"
2. unfirm, unsteady
not firmly or solidly positioned
"climbing carefully up the unsteady ladder"
"an unfirm stance"
Source: WordNet® (An amazing lexical database of English)
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