wishy–washy 
/ˈwɪʃiˌwɑ:ʃi/ adjective
wishy–wash·i·er; -est /ˈwɪʃiˌwɑ:ʃi/ adjective [also more wishy–washy; most wishy–washy] disapproving : not having or showing strong ideas or beliefs about something : weak and not able or not willing to act
▪ He gave me some wishy-washy answer. ▪ wishy-washy politicians
▪ He gave me some wishy-washy answer. ▪ wishy-washy politicians
