v. i. [ imp. & p. p. Vacillated p. pr. & vb. n. Vacillating. ] [ L. vacillare, vacillatum; cf. Skr. vañc. ] [ 1913 Webster ]

1. To move one way and the other; to reel or stagger; to waver. [ 1913 Webster ]

[ A spheroid ] is always liable to shift and vacillatefrom one axis to another. Paley. [ 1913 Webster ]

2. To fluctuate in mind or opinion; to be unsteady or inconstant; to waver. [ 1913 Webster ]

Syn. -- See Fluctuate. [ 1913 Webster ]

a. Inclined to fluctuate; wavering. Tennyson. -- Vac"il*la`ting*ly, adv. [1913 Webster]

n. [ L. vacillatio: cf. F. vacillation. ] 1. The act of vacillating; a moving one way and the other; a wavering. [ 1913 Webster ]

His vacillations, always exhibited most pitiably in emergencies. Macaulay. [ 1913 Webster ]

2. Unsteadiness of purpose; changeableness. [ 1913 Webster ]

There is a vacillation, or an alternation of knowledge and doubt. Jer. Taylor. [ 1913 Webster ]

a. Inclined to vacillate; wavering; irresolute. Hawthorne. [ 1913 Webster ]