Related Clues:
- No-no of society
- Prohibited thing
- Banned from polite conversation
- Like cannibalism, e.g.
- Taking the last beer, for one
- Not done
- To be avoided
- Prohibited by religion or custom
- By religion or custom, not to be done or touched
- Not allowed, forbidden, proscribed
- A ban or prohibition of superstitious kind
- Not to be touched or used, banned for religious reasons
- Prohibited by social custom
- It's forbidden to have a broken boat with nothing in it
- Under a ban