unforeseeable, erratic, uncertain, capricious, volatile, unstable, changeable, inconsistent, unreliable, whimsical, impulsive, mercurial, fickle, wayward, variable, random, haphazard, irregular, incal... [more]
unstable - wobbly - shaky - insecure - precarious,atic - fluctuating - inconsistent - variable - changeable - unreliable - uneven - tottering - faltering - teetering - unbalanced - unsettled - unhinged - vacillating - wavering - tremulous - quivering - jittery - fitful - rocky - rickety - unfirm - unsteadying - unsteady-handed - unsteady-footed - unsteady-legged
The term 'unsteady' refers to a state of being not firm, solid, or securely in place, often resulting in a wobbly or unbalanced position or movement. It can describe both physical objects and abstract concepts such as emotions or situations.