waterish

adjective

1. Lower than normal in strength or concentration due to admixture: dilute, thin, washy, watered-down, watery, weak. See strong/weak.
2. Being weak in quality or substance: anemic, bloodless, pale, pallid, watery. See strong/weak.
3. Lacking the qualities requisite for spiritedness and originality: bland, innocuous, insipid, jejune, namby-pamby, vapid, washy, watery. Informal wishy-washy. See excite/bore/interest, good/bad.