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wash someone or something off
to clean someone or something by washing. She washed the muddy children off with a hose and put their clothes right into the washing machine. Jane washed off the children.
wash something off (of) someone or somethingand wash something off
to clean something off someone or something. (Of is usually retained before pronouns.) I have to wash this tomato sauce off my jacket before it stains it. I will wash off the tomato stains.
wash off (someone or something)and wash off of (someone or something)
to be carried off of or away from someone or something by the action of water or another liquid. (Of is usually retained before pronouns.) The dirt washed off of the floor easily. The label washed off this can, and now I don't know what's in it.
1. To remove something by washing: I washed the dirt off. The cook washed off the grease.
2. To be removed by washing: The stain won't wash off. The dirt washed off easily.
3. To cleanse something by using water or other liquid to remove what is on it: Wash off the equipment before you put it away. I washed the dishes off and set them in the rack.
4. To cleanse oneself by using water or other liquid to remove what is on one's body: I need to wash off before dinner.