vacillating

(verb) be undecided about something; waver between conflicting positions or courses of action. Synonyms: hover, vibrate, vacillate, oscillate. Examples: "He oscillates between accepting the new position and retirement."

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

(adj) uncertain in purpose or action. Synonyms: vacillant, wavering.