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Definitions from the Web

Vacillate

Description

Vacillate is a verb meaning to waver or be indecisive, often between two or more choices. It can also refer to swinging or oscillating physically.

Sample Sentences

• He tends to vacillate between ordering sushi or a burger for lunch. (indecisive)
• The swinging pendulum vacillated back and forth with each tick. (physical oscillation)

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