Vacillate Definition

vacillated, vacillates, vacillating
vacillated, vacillates, vacillating
To sway to and fro; waver; totter; stagger.
Webster's New World
To be unable to choose between different courses of action or opinions; waver.
She vacillated about whether to leave.
American Heritage
To change between one state and another; fluctuate.
The weather vacillated between sunny and rainy.
American Heritage
To fluctuate or oscillate.
Webster's New World
To waver in mind; show indecision.
Webster's New World

Origin of Vacillate

  • From Latin vacillātum, supine form of vacillō (“sway, waver").

    From Wiktionary

  • Latin vacillāre vacillāt- to waver

    From American Heritage Dictionary of the English Language, 5th Edition

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