Other forms: vacillated, vacillating, vacillates
To vacillate is to keep changing your mind and settling nothing. Vacillate for weeks.
It is criticism of the changing rather than of any one decision. To vacillate is different from considering, since nothing new is being weighed each time.
1verbvacillateTo keep changing your mind and settling nothing.
“He would vacillate until somebody else made the decision.”
vacillate is a wavering.
Latin vacillare means to sway or waver physically, and English took the word for wavering of the mind.
Latin
vacillātum
English, today
vacillate
Built from
From Latin vacillātum, supine form of vacillō (“sway, waver”). by surface analysis, vacill- + -ate.
Etymology from Wiktionary, CC BY-SA