Difference between Unsteady and Quavering

UNSTEADY vs QUAVERING: ADJECTIVE

Not steady.
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.
To make unsteady; cause to be fluctuating.

Quaking, Shivering, Quivering, Shuddering, Tottering, Jerky, Quavering, Shaking, Tremulous, Lurching, Faltering, Trembling, Stumbling, Wobbling, Shaky

Raspy, Melismatic, Basso profundo, Croaky, Tremolos, Warble, Breathy, Guttural, Plaintive, Trembly, Whispery, Toneless, Keening, Unsteady, Tremulous

Quaking, Shivering, Quivering, Shuddering, Tottering, Jerky, Quavering, Shaking, Tremulous, Lurching, Faltering, Trembling, Stumbling, Wobbling, Shaky

Raspy, Melismatic, Basso profundo, Croaky, Tremolos, Warble, Breathy, Guttural, Plaintive, Trembly, Whispery, Toneless, Keening, Unsteady, Tremulous

These patients may be unsteady on their feet.
The distinctive signature had shrunk and looked unsteady.
Law, solutions of steady and unsteady flow problems.
That unsteady and dirty power can kill electronics.
Lot of unsteady shaving hands at Hubbard House.
The lieutenant is still unsteady on his feet.
Korean War, global peace remained on unsteady footing.
An unsteady voice can make you seem unsure.
Therefore, reliable methods for unsteady flows are necessary.
Unsteady Flow A flow in which quantity of liquid flowing per second is not constant, is called unsteady flow.

Heavy drums, otherworldly harmonica and pure, quavering synths paint a worrisome, spiky backdrop as minimal banjo and murmured vocals fill the foreground.
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Aunt Pitty, her voice quavering, for in her heart she was certain Ashley was dead.
East Hill, caught a strand of her black hair that had escaped her neat white cap, lower lip quavering!
Her knees buckled and gave way, leading him to support their combined weight on his quavering frame.
" Hereupon arose a voice high-pitched and quavering trembling took me into the south-eastern horizon.
Bill looked at the broad expanse of water and began to whistle a low, quavering tune.
Listeners were persistently confused by his obtuse, hyper-literate lyrics and quavering falsetto.
Nayirah told a room of reporters, her voice quavering.
Teslyn started, her voice still quavering a little.