oscillate
1. [ verb ] be undecided about something; waver between conflicting positions or courses of action
Synonyms: hover vibrate vacillate
Examples:

"He oscillates between accepting the new position and retirement"

Related terms: hesitate shillyshally oscillation
2. [ verb ] move or swing from side to side regularly
Synonyms: vibrate
Examples:

"the needle on the meter was oscillating"

Related terms: swing librate hunt oscillation cycle vibrator
Similar spelling:   oscillator
  oscillatory
  oscillation
  oscillating
  osculate
  osculator
  osculation