1. to waver between different opinions or courses of action; be indecisive

Examples

• She vacillated between accepting the job offer and staying at her current position.
• The committee vacillated on the budget proposal for weeks.
• Don’t vacillate too long or you’ll miss the opportunity.
• He tends to vacillate when faced with difficult decisions.
• The politician vacillated on the controversial issue during the debate.
• After vacillating for months, she finally chose a college major.