wishy
/ˈwɪʃi/Definitions
1. adjective
unpredictable or changeable in mood or behavior, often in a whim
“She’s been feeling very wishy about her job lately, unsure if she wants to stay or quit.”
2. noun
a person who is unpredictable or changeable in mood or behavior
“He’s such a wishy, always changing his mind about what he wants to do.”