Wash  —v. 1 cleanse with liquid, esp. Water. 2 (foll. By out, off, away, etc.) A remove (a stain) in this way. B (of a stain etc.) Be removed by washing. 3 wash oneself or one's hands and face. 4 wash clothes, dishes, etc. 5 (of fabric or dye) bear washing without damage. 6 (of an argument etc.) Stand scrutiny; be believed or acceptable. 7  (of a river, waters, etc.) Touch. 8 (of liquid) carry along in a specified direction (was washed overboard; washed up on the shore). 9 (foll. By over, along, etc.) Sweep, move, or splash. 10 (foll. By over) occur all around without greatly affecting (a person). 11 sift (ore) by the action of water. 12 brush watery paint or ink over. 13 poet. Moisten, water. —n. 1 a washing or being washed. B (prec. By the) a laundry etc. (sent them to the wash). 2 clothes etc. For washing or just washed. 3 motion of agitated water or air, esp.