unfuelled
Lacking any propellant
Unfuelled describes something that lacks fuel or has not been supplied with fuel: an unfuelled aircraft sitting on the tarmac.
The word can apply literally to vehicles or equipment, or figuratively to efforts or ambitions that lack the resources to sustain them.
British spelling; American English uses *unfueled*.
Inactive but capable
- inactiveNot currently functioning
- stationaryNot in motion
- motionlessLacking all movement
- stalledStopped unexpectedly
parked · grounded · waiting · standby · halted · inoperative · disengaged · sitting
Written instructions for use
- passiveNot actively participating
- glidingEngineless aerial movement
- coastingMoving without active effort
- driftingMoving without purpose
sailing · rowing · pedal-powered · hand-cranked · freewheeling · wind-driven · human-powered · non-motorized
Holding nothing inside
Lacking energy or alertness
- listlessLacking energy or enthusiasm
- uninspiredLacking creative spark
- flaggingLosing vigor progressively
- apatheticWithout feeling or concern
dormant
Inactive but capable
- inactiveNot currently functioning
- stationaryNot in motion
- motionlessLacking all movement
stalled · parked · grounded · waiting · standby · halted · inoperative · disengaged · sitting
manual
Written instructions for use
- passiveNot actively participating
- glidingEngineless aerial movement
- coastingMoving without active effort
drifting · sailing · rowing · pedal-powered · hand-cranked · freewheeling · wind-driven · human-powered · non-motorized · engineless
empty
Holding nothing inside
lethargic
Lacking energy or alertness
- listlessLacking energy or enthusiasm
- uninspiredLacking creative spark
- flaggingLosing vigor progressively
apathetic · unenthusiastic · dispassionate · unmoved · spiritless