vacillate

/ˈvæsəleɪt/
verb
  1. To keep changing your opinion or decision about something; to be unable to decide.
    • He vacillated about whether to accept the job offer in another city.
    • The committee vacillated for weeks before finally choosing a new logo.
    • She vacillated between ordering pizza and making a salad for dinner.
  2. To move back and forth in an unsteady or wavering way.
    • The flame vacillated in the drafty room, casting flickering shadows.
    • Her voice vacillated with emotion as she told the story.
    • The needle on the gauge vacillated wildly before settling.
Antonyms
What does "vacillate" mean? | whatsthatwordmean | whatsthatwordmean