Related Clues:
- Like the gases neon and argon, but not oxygen and hydrogen
- Unreactive; still
- Flipping theatre night showing no sign of life!
- Nonreactive in the lab
- Still at the crease, no boundaries at Perth
- Not so moving?
- Nonreactive, as elements
- Not reactive or interactive
- Unreactive gases
- Like some gases examiner tests partly
- Unmotivated, and then some
- Like a nonreactive element
- Still in airliner travelling
- Like helium but not hydrogen
- Ship yet to launch, boat ultimately motionless