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- Chemically ''quiet''
- Stagnant, gas-wise
- Unreactive, to a chemist
- Like gas that just sits there
- Still at the crease — no boundaries in Perth
- Like gases in the rightmost column of the periodic table
- Like low-energy gases
- Like atoms with complete valence shells
- Like radon, say
- Nonreactive, as neon
- I rent, poor and lazy
- Still in tears periodically during sex
- Still batting — no boundaries in Perth
- Non-reactive
- Nonreactive, as gases