Related Clues:
- Lacking compassion
- Chemically nonreactive
- Phlegmatic
- Couchbound, perhaps
- Utterly lethargic
- Not at all friendly
- Hard of heart
- Sniffles may be part of it
- Chemically quiet
- Hard to get a reaction out of
- Unable to react chemically
- Not shooting well
- Case of the sniffles
- Sniffling and sneezing cause
- Refrigerated