61 entries under vacillate topic. ×

3
totter(verb, shock, shake, swing, vary)
2
lurch(verb, shock, shake, swing, sway)
2
pitch(verb, rush, shock, swell, shake)
2
quiver(verb, move, twist, shock, swell)
2
seesaw(verb, twist, alter, fly, swing)
2
shift(verb, change, alter, swing, sway)
2
stagger(verb, shock, shake, swing, rock)
2
thrash(swing, pitch, roll, waver)
2
tremble(verb, twist, shock, shake, fly)
1
be unable to decide(verb, shake, pause, sway, vary)
1
blow hot and cold(verb, expression, idiom, change, alter)
1
change(verb, alter, shake, swing, sway)
1
deliberate(verb, shake, pause, sway, vary)
1
dilly-dally(verb, shake, pause, sway, vary)
1
falter(verb, twist, shock, shake, fly)
1
flicker(verb, shake, swing, vary, hesitate)
1
halt(verb, shake, pause, sway, vary)
1
hem and haw(verb, expression, idiom, change, alter)
1
hesitate(verb, change, alter, shake, swing)
1
move to and fro(verb, expression, idiom, twist, fly)
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APASmart Define. (2015). undulate thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/undulate/thesaurus/synonyms
ChicagoSmart Define. 2015. "undulate thesaurus" https://smartdefine.org/undulate/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, undulate thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undulate/thesaurus/synonyms>.
MLASmart Define. "undulate thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/undulate/thesaurus/synonyms>