vacillate
/ˈvæ.sə.leɪt/
fe’l verb
- To sway unsteadily from one side to the other; oscillate.
- To swing indecisively from one course of action or opinion to another.
Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.