Definition: not firmly or solidly positioned
Usage: climbing carefully up the unsteady ladder; an unfirm stance
Similar words: unfixed
Definition: not firmly placed or set or fastened
Synonyms: unsteady
Definition: subject to change or variation
Usage: her unsteady walk; his hand was unsteady as he poured the wine; an unsteady voice
Similar words: jerking, jerky, arrhythmic
Definition: lacking a steady rhythm
Usage: an arrhythmic heartbeat
Similar words: spasmodic, spastic, convulsive
Definition: affected by involuntary jerky muscular contractions; resembling a spasm
Usage: convulsive motions; his body made a spasmodic jerk; spastic movements
Similar words: faltering
Definition: unsteady in speech or action
Similar words: flickering, aflicker
Definition: shining unsteadily
Similar words: fluctuating
Definition: having unpredictable ups and downs
Usage: fluctuating prices
Similar words: palpitant, palpitating
Definition: having a slight and rapid trembling motion
Usage: palpitant movements rather than violent eruptions; my palpitating heart
Similar words: shaky, shivering, trembling
Definition: vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze
Usage: a quaking bog; the quaking child asked for more; quivering leaves of a poplar tree; with shaking knees; seemed shaky on her feet; sparkling light from the shivering crystals of the chandelier; trembling hands
Similar words: tremulous, quavering
Definition: (of the voice) quivering as from weakness or fear
Usage: the old lady's quavering voice; spoke timidly in a tremulous voice
Similar words: shifting, shifty
Definition: changing position or direction
Usage: he drifted into the shifting crowd; their nervous shifting glances; shifty winds
Similar words: shuddering
Definition: shaking convulsively or violently
Similar words: tottering, tottery
Definition: unsteady in gait as from infirmity or old age
Usage: a tottering skeleton of a horse; a tottery old man
Similar words: uneven
Definition: variable and recurring at irregular intervals
Usage: an uneven gait; uneven spacing
Similar words: wobbling
Definition: (of sound) fluctuating unsteadily
Usage: a low-pitched wobbling sound