The definition of stand alone is someone or something who needs nothing external and is complete on its own.
An example of a stand alone music system is one that will play music for you right out of the box and you don't need to add any speakers or wires.
- designating or of a computer device or program that can perform functions independently
- designating or of anything that is a separate unit, independent of a larger structure, organization, etc.: a stand-alone fax machine, business, novel, sculpture, etc.
a stand-alone device, unit, structure, etc.
- Alternative spelling of stand-alone.