Wiktionary
WISHY-WASHY, adjective. Wavering; lacking in commitment, certainty, or support; namby-pamby.
WISHY-WASHY, adjective. Thin or watery.
Dictionary definition
WISHY-WASHY, adjective. Weak in willpower, courage or vitality.
Wise words
If you wish to know the mind of a man, listen to his words.