VACILLATING
vacillant, vacillating, wavering
(adjective) uncertain in purpose or action
Source: WordNet® 3.1
Verb
vacillating
present participle of vacillate
Adjective
vacillating (comparative more vacillating, superlative most vacillating)
Liable to vacillate; wavering, irresolute.
Noun
vacillating (plural vacillatings)
vacillation
Source: Wiktionary
Vac"il*la`ting, a.
Definition: Inclined to fluctuate; wavering. Tennyson.
– Vac"il*la`ting*ly, adv.
VACILLATE
Vac"il*late, v. t. [imp. & p. p. Vacillated; p. pr. & vb. n.
Vacillating.] Etym: [L. vacillare, vacillatum; cf. Skr. vañc.]
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.
Source: Webster’s Unabridged Dictionary 1913 Edition