- not resolute; wavering; indecisive; hesitating: an ineffectual, vacillating person.
- oscillating; swaying; fluctuating: a vacillating indicator.
Origin of vacillating
SynonymsSee more synonyms for vacillating on Thesaurus.com
- to waver in mind or opinion; be indecisive or irresolute: His tendency to vacillate makes him a poor leader.
- to sway unsteadily; waver; totter; stagger.
- to oscillate or fluctuate.
Origin of vacillate
SynonymsSee more synonyms for vacillate on Thesaurus.com
Examples from the Web for vacillating
Vacillating between silly and serious, the talk with Ansari is interrupted several times with giggling—most of it his own.Parks and Recreation’s Aziz Ansari Is 30 Years Old and Writing a Book About Modern Love
November 12, 2013
Vacillating and unintelligent, his actions were all guided by his mistress, Mme Bonnemain.Top Ten Military Sex Scandals, Part Two
November 13, 2012
Yet hitherto our star has been a vacillating and wavering star?Little Dorrit
He was vacillating, but he was not so vacillating as the Ministers.
O that she had your taste to guide her, and to decide my too vacillating judgment!Tales And Novels, Volume 8 (of 10)
He knows the tragic failure of other movements with vacillating policies.Mountain Meditations
The Jew's vacillating hope was tenacious, for it was the last.Masterpieces of Mystery
rarely vacillant (ˈvæsɪlənt)
- inclined to waver; indecisive
- to fluctuate in one's opinions; be indecisive
- to sway from side to side physically; totter or waver
Word Origin and History for vacillating
1590s, "to sway unsteadily," from Latin vacillatum, from vacillare (see vacillation). Meaning "to waver between two opinions or courses" is recorded from 1620s. Related: Vacillated; vacillates; vacillating.