V2 Vocabulary Building Dictionary



Definition: 1. to be indecisive or irresolute; 2. to sway from side to side

Synonyms: waver, hesitate, fluctuate, sway

Antonyms: decide, resolve, settle

Tips: Vacillate comes from the Latin vacillare, "to sway, waver." Think of swaying back and forth. It's a good word to use when a person is undecided about something or has wavered in his or her opinion.

Usage Examples:

I know he vacillates between staying in the US and working oversees. (wavers)

Compounding the problem, government officials vacillated on different ways they could provide disaster relief to the tornado victims. (wavered)

She usually vacillates for a period of time before making her decisions. (hesitates)

My opinion of my boss vacillates depending on my mood. (fluctuates)

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