wobble
/ˈwä-bəl/
verb
to move or proceed with an irregular rocking or staggering motion or unsteadily and clumsily from side to side
tremble, quaver
waver, vacillate
noun
a hobbling or rocking unequal motion (as of a wheel unevenly mounted)
an uncertainly directed movement
an intermittent variation (as in volume of sound)
verb
to move or proceed with an irregular rocking or staggering motion or unsteadily and clumsily from side to side
tremble, quaver
waver, vacillate