Synonyms for Unsteady:

adj.

changeable (adjective)
Vicissitudinous, variant, fluid, vacillating, mercurial, flexible, unstable, whimsical, modifiable, irresolute, inconstant, changeable, changeful, precarious, fickle, spasmodic, reformable, movable, mutable, versatile, shifting, adjustable, ever-changing, variable, Transposable, protean, flighty, irregular, alterable, wavering, volatile, transformable, restless, convertible, varying, unsettled, adaptable.
dizzy (adjective)
staggering.
doddering (adjective)
weak, infirm, faltering, tottering, trembling.
fickle (adjective)
temperamental.
flighty (adjective)
unbalanced.
fluid (adjective)
flexible, adjustable.
giddy (adjective)
ditzy.
irregular (adjective)
irregular.
moving (adjective)
unfixed.
ramshackle (adjective)
unfirm.
shaky (adjective)
wobbly, shaky.
tottery (adjective)
tottery.
uncertain (adjective)
wavering.
unstable/unsteady (adjective)
movable, temperamental, volatile, suspect, ticklish, tricky, shifty, mutable, unpredictable, inconsistent, untrustworthy, shaky, weaving, mercurial.
unsteady (adjective)
shifting, giddy, unreliable, rickety, unstable, fickle, precarious, capricious, erratic, variable, unsettled, fluctuating, wavering, inconstant, wobbly, vacillating, changeable.

n.

ill, fragile, frail, worse, unwell, infectious, unhealthy, sick, unfit, failing. unique, situated, effective, circumstantial, fateful, effectively, rickety, paradise, be better/worse off, wobbly, undecided, face to face. various, variant. whimsical, unpredictable, fantastical, fantastic, temperamental, inconsistent, freakish, capricious, erratic, continue, ticklish. patchy, uneven, spotty, same. inconstant (noun)
unreliable, erratic, capricious, shifty, tricky.
unsteady (noun)
wobbling, fluctuating, shaking, tottery, trembling, lurching, faltering, spasmodic, spastic, unfixed, shaky, quivering, stumbling, quaking, staggering, palpitant, unfirm, irregular, arrhythmic, quavering, shuddering, shivering, jerking, tottering, jerky, aflicker, fluttering, tremulous, palpitating, convulsive, palsied, flickering, weaving.
wobbly (noun)
top-heavy, leaning, ramshackle, giddy, unbalanced, treacherous.

Other synonyms:

feckless, ramshackle, rickety. uneven, patchy, spotty, inconsistent, weak, unpredictable. whimsical, infirm, unreliable, temperamental, flimsy, fantastical, variant, capricious. erratic, unsure, ticklish, freakish. fantastic. suspect. various. dizzy
giddy.
shaky
shaky.
wavering
wobbly.
Other relevant words:
paradise, continue, unhealthy, jerky, shifty, freakish, aflicker, fluttering, patchy, quavering, palpitating, unfixed, leaning, shivering, fluctuating, shaky, shuddering, tottering, spastic, ill, unique, feckless, whimsical, staggering, flickering, ditzy, uneven, tottery, unpredictable, wobbly, temperamental, quaking, fantastical, stumbling, failing, untrustworthy, worse, weak, palsied, flimsy, situated, frail, trembling, shaking, tricky, treacherous, inconsistent, infirm, top-heavy, change, jerking, weaving, fateful, same, undecided, faltering, unfit, sick, quivering, arrhythmic, unreliable, convulsive, variant, capricious, tremulous, effective, fantastic, unwell, wobbling, effectively, ramshackle, fragile, palpitant, circumstantial, rickety, infectious, erratic, ticklish, unbalanced, unsure, giddy, various, suspect, lurching, irregular, spasmodic, spotty, unfirm.

Usage examples for unsteady

  1. In general, the camel goes extremely steady, it is only in mounting and descending that they become unsteady unwieldy, and dangerous. – Travels in the Great Desert of Sahara, in the Years of 1845 and 1846 by James Richardson
  2. His voice was unsteady – The Lash by Olin L. Lyman
  3. As Miriam was bringing these, and anxiously listening to Isaac's report of the progress of the siege, a hasty and unsteady foot was heard upon the steps, and Jochem appeared before the astonished pair. – A Struggle for Rome, Vol. 2 (of 3) by Felix Dahn