- To move backward and forward; to vibrate like a
pendulum; to swing; to sway. - To vary or fluctuate between fixed limits; to act or
move in a fickle or fluctuating manner; to change repeatedly, back and
forth.
Meaning of 'oscillate' (Princeton's WordNet)
1 . oscillate
[ v]
Meaning (1): - be undecided about something; waver between conflicting positions or courses of action
Example in sentence:
He oscillates between accepting the new position and retirement
Meaning (2): - move or swing from side to side regularly