unpowered

Antonyms:

powered

(often used in combination) having or using or propelled by means of power or power of a specified kind

battery-powered

powered by one or more electric batteries

high-powered

(used of microscopes) capable of a high degree of magnification

hopped-up

(of an automobile) having the engine modified to give extra power

power-driven

powered by a motor

steam-powered

powered by a steam engine

supercharged

(of e.g. an engine) having the power increased by fitting with a supercharger

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