5
staggering(verb, adjective, unsteady, oscillating)
4
alternating(verb, adjective, oscillating)
4
flickering(adjective, irregular, changeable, variable)
4
flitting(adjective, capricious, irresolute)
4
incredulous
4
irregular(adjective, unstable, doubtful, unsettled, vague)
4
light
4
obscure
4
restless(adjective, unstable, unsettled, changeable, variable)
4
swaying(verb, adjective, hesitant, changeable, wavering)
4
tentative(adjective, weak, uncertain, nervous, shy)
4
trembling(noun, verb, weak, nervous, unstable)
4
undulating(verb, adjective, oscillating)
4
unfixed(adjective, unstable, doubtful, unsettled, vague)
4
unsteadfast(adjective, irresolution)
4
versatile(adjective, unstable, unsettled, changeable, variable)
4
whimsical(adjective, unstable, unsettled, changeable, variable)
3
adrift
3
dawdling(verb, adjective, uncertain, shy, doubtful)
3
dithering(verb, adjective, hesitant, wavering, indecisive)
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APASmart Define. (2016). vacillating thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/vacillating/thesaurus/synonyms
ChicagoSmart Define. 2016. "vacillating thesaurus" https://smartdefine.org/vacillating/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, vacillating thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/vacillating/thesaurus/synonyms>.
MLASmart Define. "vacillating thesaurus" 4 March 2016. Web. 21 September 2026. <https://smartdefine.org/vacillating/thesaurus/synonyms>