vacillating between silly and serious, the talk with Ansari is interrupted several times with giggling—most of it his own.
vacillating and unintelligent, his actions were all guided by his mistress, Mme Bonnemain.
vacillating policies, weakly executed, will ruin the most promising enterprise.
O that she had your taste to guide her, and to decide my too vacillating judgment!
England under Charles II was untrustworthy and vacillating, almost a negligible quantity.
It is small wonder that the measures of such a congress, when not vacillating, were weak.
On Little's entrance the pupil retired front his uphill work, and glowered with vacillating eyes.
From all of which it must not be taken that I am a vacillating type of man.
But Bonaparte succeeded in inducing the vacillating court to break with both its allies.
She looked into his face imploringly, and she saw that he was 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.