fluctuating (adj.)
- adrift
- afloat
- alternating
- amorphous
- broken
- capricious
- catchy
- changeable
- changeful
- choppy
- desultory
- disconnected
- discontinuous
- dizzy
- eccentric
- erratic
- fickle
- fitful
- flickering
- flighty
- freakish
- giddy
- halting
- harmonic
- impetuous
- impulsive
- inconsistent
- inconstant
- indecisive
- infirm
- intermittent
- irregular
- irresolute
- irresponsible
- jerky
- mazy
- mercurial
- moody
- nonuniform
- oscillating
- oscillatory
- patchy
- pendulous
- periodic
- rambling
- resonant
- restless
- rough
- roving
- scatterbrained
- scrappy
- shapeless
- shifting
- shifty
- spasmodic
- spastic
- spineless
- sporadic
- spotty
- staggering
- unaccountable
- uncertain
- uncontrolled
- undependable
- undisciplined
- unequal
- uneven
- unfixed
- unmethodical
- unpredictable
- unreliable
- unrestrained
- unrhythmical
- unsettled
- unstable
- unsteady
- unsystematic
- vacillating
- vagrant
- variable
- vibratory
- volatile
- wandering
- wanton
- wavering
- wavy
- wayward
- whimsical
- wishy-washy
- wobbling
- wobbly
