Related Clues:
- Something not acceptaable
- Movement for one knight in time becomes tabu
- Child's taboo
- Jaywalking, e.g
- Something bad
- Non-starter (colloq.)
- Colloquial word for an impossibility or non-starter
- I'd see MD involved in wrongful act
- Failure (colloq.)
- Deoxygenated failure?
- Doctor, doctor -- I'm a failure!
- Nuts need cynic's coarseness
- Luigi --, Italian avant-garde composer of classical music (1924-90)
- Jumping a line, e.g
- Something that would be totally unacceptable