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The Collaborative International Dictionary of English v.0.48 (gcide)

Vacillate \Vac"il*late\ (v[a^]s"[i^]l*l[=a]t), v. i. [imp. & p.
p. {Vacillated} (v[a^]s"[i^]l*l[=a]`t[e^]d); p. pr. & vb. n.
{Vacillating}.] [L. vacillare, vacillatum; cf. Skr. va[~n]c.]
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1. To move one way and the other; to reel or stagger; to
waver.
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[A spheroid] is always liable to shift and
vacillatefrom one axis to another. --Paley.
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2. To fluctuate in mind or opinion; to be unsteady or
inconstant; to waver.
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Syn: See {Fluctuate}.
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Vacillating \Vac"il*la`ting\, a.
Inclined to fluctuate; wavering. --Tennyson. --
{Vac"il*la`ting*ly}, adv.
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