His tendency to vacillate makes him a poor leader.
She has a tendency to vacillate.
I always vacillate when I have to choose between curly or straight fries.
Yes. People who vacillate are often poor leaders.
She'll vacillate between the two options and have difficulty making a decision.
Vacillate - to waver in opinion or mind; be indecisive or irresoluteSentence:Her mood vacillated between hope and despair.
She vacillated between choosing the blue or red dress for the party, unable to make a decision.
vacillate:
My sister is very vacillating; she takes a long time to decide what she wants to wear.
Three
vacillate "It's not unusual to vacillate about the 'good's and 'bad's of such a big decision"
(from the stringed toy, to vacillate, or alternately a dull-witted person) "My yo-yo became stuck in the bus door." "The driver must have thought I was a real yo-yo." "The candidate was known to yo-yo on critical issues."
vacillating