Related Clues:
- Prohibited by social custom
- It's forbidden to have a broken boat with nothing in it
- Nail-biting, e.g
- Under a ban
- Deed not to be done
- Many a fetish
- Maligning 2-Down, in some places
- It's not done
- Banned thing
- Label a pair socially unacceptable
- Bill in America loves Prohibition
- Expression of appreciation then otherwise anathema
- ... by Italian one either way in London, on order
- Expressions of gratitude and disapproval are forbidden
- Numbers of a nonstarter