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Definition of fluctuate:

  1. To cause to move as a wave; to put in motion.
  2. To move as a wave; to roll hither and thither; to wave; to float backward and forward, as on waves; as, a fluctuating field of air.
  3. To move now in one direction and now in another; to be wavering or unsteady; to be irresolute or undetermined; to vacillate.


hover, flitter, waffle, veer, flutter, flicker, vacillate, swerve, waver, shift, swing, wave, hesitate, quiver, quaver, falter, weave.

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