Related Clues:
- Without rehearsal
- Viral infection
- Indolent - unreactive
- Sluggish - unresponsive
- Devoid of motion or change
- Without the strength to move
- Unlikely to react
- Unlikely to form compounds
- Like xenon, as gases go
- Like some gas elements
- 45-Down, perhaps
- Like group 18 elements
- Totally unreactive
- Dispassionate
- Chemically nonreactive, as a gas