/ Dictionary / Index V vacillatory: Meaning and Definition of Find definitions for: vac•il•la•to•ry Pronunciation: (vas'u-lu-tôr"ē, -tōr"ē), [key] — adj. marked by or displaying vacillation: a vacillatory policy of action. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vacillation vacua Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language