fluctuating

(verb) cause to fluctuate or move in a wavelike pattern. Synonyms: fluctuate.

(verb) move or sway in a rising and falling or wavelike pattern. Synonyms: fluctuate, vacillate, waver. Example: "The line on the monitor vacillated."

(verb) be unstable. Synonyms: fluctuate. Example: "The stock market fluctuates."

(adj) having unpredictable ups and downs. Example: "Fluctuating prices."