self-sustaining

adjective more self-sustaining · most self-sustaining

1. Able to provide for one's own needs without help from others; self-sufficient. There was nothing odd, or futuristic, or exotically “eco” about the house — no solar panels to be seen, no giant arrays of thermopane windows passively drinking up light and heat; yet here, I’d been told, in the Sourland Mountains in New Jersey, an hour from Manhattan, was a house that had the poten
2. of a nuclear chain reaction Able to sustain itself without the need for additional fuel.
3. Opposing or rejecting exterior influence; independent.