From Longman Dictionary of Contemporary Englishvacillatevac‧il‧late /ˈvæsəleɪt/ verb [intransitive] formal CHANGE YOUR MINDto continue to change your opinions, decisions, ideas etc SYN wavervacillate between Her parents vacillated between different approaches to discipline. —vacillation /ˌvæsəˈleɪʃən/ noun [countable, uncountable]→ See Verb table
Examples from the Corpus
vacillate• This time, they did not vacillate.• I go back and I vacillate about it.• She was decisive and she did not vacillate, and once committed she intended to win.• How often we vacillate back and forth, pro and conning things to death.• The writer seems to vacillate between approving of Collins' actions and finding them disgusting.• The man I love has just destroyed us and I wake up, vacillating between suicide and murder.• The longer you vacillate the less time you'll have to do anything worthwhile.vacillate between• Eve vacillates between love and anger for the father who abandoned her.From Longman Business Dictionaryvacillatevac‧il‧late /ˈvæsəleɪt/ verb [intransitive]FINANCE if prices or rates vacillate, they continually change by small amountsPrices will vacillate near or slightly below current levels.The rate of inflation has been vacillating between 4% and 5%.→ See Verb tableOrigin vacillate (1500-1600) Latin past participle of vacillare “to move from side to side, fail to decide” 