Dictionary
vac•il•late
Pronunciation: (vas'u-lāt"), [key]—
v.i., -lat•ed, -lat•ing.
1. to waver in mind or opinion; be indecisive or irresolute:
His tendency to vacillate makes him a poor leader.
2. to sway unsteadily; waver; totter; stagger.
3. to oscillate or fluctuate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.