Vac·il·late v. i. [imp. & p. p. Vacillated p. pr. & vb. n. Vacillating.]
1. To move one way and the other; to reel or stagger; to waver.
[A spheroid] is always liable to shift and vacillatefrom one axis to another. --Paley.
2. To fluctuate in mind or opinion; to be unsteady or inconstant; to waver.
Syn: -- See Fluctuate.
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