- vacterl syndrome,
Origin of vacillating
verb (used without object), vac·il·lat·ed, vac·il·lat·ing.
Origin of vacillate
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|Abby Haglage|November 12, 2013|DAILY BEAST
Vacillating and unintelligent, his actions were all guided by his mistress, Mme Bonnemain.
I suppose it is characteristic of people who tic to be fickle and vacillating.Tics and Their Treatment|Henry Meigne
For her restless and vacillating husband—he was this in her eyes as she mused—she had discovered nothing new in six years.
There was no halting here, at all events; no vacillating between Christ and present things.The Great Commission|C. H. (Charles Henry) Mackintosh
You are, as you will be all your life, vacillating between your own temperament and the habits you acquired in the convent.Letters to an Unknown|Prosper Mrime
That prince was a cruel despot, but weak-willed, vacillating, and totally unable to keep a friend.In Clive's Command|Herbert Strang
rarely vacillant (ˈvæsɪlənt)
Word Origin for vacillate
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.