2.AdjectiveNot requiring initial or further assistance with, additions to, or use of something.""Do you folks want any dessert or coffee?" "No, we're all set."; "Can I use those scissors now?" "Yeah, I'm all set."; Are you all set with that? [a waiter offering to take an empty plate at a restaurant]; "Can I help you with anything?" "Nah, I'm all set." [a retail employee offering to help a customer]"