VAC'ILLATE, v.i. [L. vacillo; Eng. to waggle, a diminutive of wag. See Wag.] 1. To waver; to move one way and the other; to reel or stagger. 2. To fluctuate in mind or opinion; to waver; to be unsteady or inconstant.
v 1: be undecided about something; waver between conflicting positions or courses of action; "He oscillates between accepting the new position and retirement" [syn: hover, vibrate, vacillate, oscillate] 2: move or sway in a rising and falling or wavelike pattern; "the line on the monitor vacillated" [syn: fluctuate, vacillate, waver]
intransitive verb (-lated; -lating) Etymology: Latin vacillatus, past participle of vacillare to sway, waver — more at winkDate: 1597 1.a. to sway through lack of equilibrium b.fluctuate, oscillate2. to waver in mind, will, or feeling ; hesitate in choice of opinions or courses Synonyms:seehesitate • vacillatinglyadverb • vacillatornoun
Vacillate Vac"il*late, v. t. [imp. & p. p. Vacillated; p. pr. & vb. n. Vacillating.] [L. vacillare, vacillatum; cf. Skr. va[~n]c.] 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.
(vacillates, vacillating, vacillated) If you vacillatebetween two alternatives or choices, you keep changing your mind. (FORMAL) She vacillates between men twice her age and men younger than she...We cannot vacillate on the question of the party's leadership.VERB: V between pl-n, V
v. n.1. Sway, rock, move to and fro, have an unsteady motion, waver. 2. Waver, fluctuate, hesitate, be inconstant, be unsettled, be unsteady, play fast and loose, blow hot and cold, box the compass, run with the hare and hunt with the hound, be a weathercock.