Definition of do without
: to not have (something) : to live, work, etc., without having (something) If you can't afford a new car, you'll just have to do without (one). I don't know how we ever did without computers. —can/could do without is often used to say that one does not like or approve of something I enjoy traveling, but I can do without having to wait around in crowded airports. He was late again. That's the kind of selfish behavior I could do without.
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