vacillation

/ˌvæsəˈleɪʃən/
noun
  1. The act of changing your opinion or decision many times; indecision.
    • The manager's constant vacillation frustrated the employees who needed clear direction.
    • His vacillation between two careers left him stuck in the same job for years.
    • After much vacillation, she finally chose the blue paint for her room.
  2. A back-and-forth movement or fluctuation.
    • The vacillation of the pendulum kept the clock ticking evenly.
    • The vacillation of the light on the water created a mesmerizing pattern.
    • Scientists observed the vacillation of the magnetic field over time.
What does "vacillation" mean? | whatsthatwordmean | whatsthatwordmean