1. Thin and watery, as tea or soup; insipid.
2. Lacking in strength of character or purpose; ineffective; weak in willpower.
(Reduplication of washy, thin, watery, from wash.)
He is just so wishy washy because he won't tell that girl what he wants in their relationship.
邮件由 email@example.com 发出。我们决不会发送垃圾邮件。