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Verb: fluctuate  'flúk-choo,eyt
  1. Move or sway in a rising and falling or wavelike pattern
    "the line on the monitor fluctuated";
    - vacillate, waver
  2. Cause to fluctuate or move in a wavelike pattern
  3. Vary up and down; be unstable
    "The stock market fluctuates"

Derived forms: fluctuates, fluctuating, fluctuated

Type of: change state, displace, move, swing, turn