- adjective not switched on, not responding or not being used
- adjective not erupting or likely to erupt, though not necessarily extinct
- adjective not reacting with other substances
- adjective not producing symptoms
- adjective not switched on, in a passive state
- not ready for use, as in an unavailable communications channel.
- Not currently functioning, as in a satellite which is not transmitting a signal at a given moment.
- Not energized, as in a circuit that is not powered at the moment.
- Chemically inert.
- adjective not being active, not moving
- adjective not working