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Vacillate

//ˈvæ.sə.leɪt// verb

Verb

1
To sway unsteadily from one side to the other; oscillate. intransitive
"Its [the barometer's] normal register in the Paumotus [the Tuamotus] was 29.90, and it was quite customary to see it vacillate between 29.85 and 30.00, or even 30.05; […]"
2
move or sway in a rising and falling or wavelike pattern wordnet
3
To swing indecisively from one course of action or opinion to another. intransitive
"Courageous, patriotic, yet vacillating, many of the noblest principles and the purest intentions, men of large possessions and ancient names, under the afflicting circumstances of the times, failed to render service to their unhappy country, but involved themselves in irremediable ruin."
4
be undecided about something; waver between conflicting positions or courses of action wordnet

From Latin vacillātum, supine form of vacillō (“sway, waver”).

Unscramble this word: vacillate