Pendulum

/ˈpɛn.dʒə.ləm/

Synonyms

Slang Meanings

Inconsistent behavior, often swinging between two choices.
His decision-making is a real pendulum—today he wants to vacation in Hawaii, tomorrow he's thinking of Europe.
Refers to a person who frequently changes opinions.
She's such a pendulum; just last week she was convinced that was the best movie ever.