This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Not firm, solid, or securely in place; unstable.

adj. Fluctuating; changeable: an unsteady market.

adj. Not even or regular; wavering: an unsteady voice.

v. To cause to become unsteady.

adj. Not held firmly in position, physically unstable.

adj. Noted for lack of regularity or uniformity.

adj. Inconstant in purpose, or volatile in behaviour.

v. To render unsteady, removing balance.

In mech., having a motion which is not uniform or which does not take place with a constant angular velocity, or around a permanent axis through the center of gravity of the mass. Revolving bodies out of running balance have an unsteady motion.

Not steady.

To make unsteady; cause to be fluctuating.

adj. subject to change or variation

adj. not firmly or solidly positioned

"I had an early morning errand to run before work, and was a little unsteady from a sleepless night."

jerking    uneven    tottery    trembling    convulsive    arrhythmic    spastic    shivering    shifting    shaky   

steady   

unsteadied    unsteadies    unsteadying   

restless   

unsteadied   

Eddie    Eddy    Freddie    Freddy    Reddy    Teddie    Teddy    already    bready    eddy   

shaky    uncertain    uneven    erratic    jerky    tremulous    uneasy    hesitant    unstable    fitful