wishy-washy
/ˈwɪʃ.iˌwɒʃ.i/
adjective
Meaning
Wavering; lacking in commitment, certainty, or support; namby-pamby.
"Not wanting to be pressed for details, public relations gave a wishy-washy answer."
Thin or watery.
"The wishy-washy orange juice served by the cafeteria not only failed to be sweet; it was barely orange."