vacillator
/ˈvæsəleɪtər/
noun
- A person who frequently changes their opinions or decisions; someone who is indecisive.
- The team leader was a vacillator, changing the project requirements every week.
- Don't be a vacillator — make a choice and stick with it.
- As a notorious vacillator, he could never decide where to eat dinner.
Antonyms