unpowered
- a not having or using power
an autogiro is supported in flight by unpowered rotating wings
- Another DOE candidate was the DKL Lifeguard, a supposedly high-tech device that turned out to contain unpowered and unconnected electronic circuitry, and was determined to be .
- With half their machines still unpowered, Derry's men turned to, repaired their first ship, the Albatross, She was around their necks for days.
- In 2002 the Marines abandoned the requirement that the planes be capable of autorotating (as the maneuver is called), with unpowered but spinning helicopter blades slowly letting .