stand-alone UK /ˈstænd əˌləʊn/US /ˈstænd əˌloʊn/adjective 2noun 2forms 1 adjective2 •Operating, functioning, or existing without additions or assistance; independent; able to be separate or separated; not attached to anything.They offer an inexpensive add-on for a computer, or a stand-alone system with all the functions built in. •Not part of a series, or not requiring familiarity with that series. noun2 •Something that is not a part of some series or sequence.This standalone will delight and draw readers of Christian romantic suspense like […] — 2014 •(rare) A device that can operate on its own, rather than as an accessory for another device. formsstand-alones