Last seen in:
- The Guardian - Quick crossword No 14,330 - Apr 13 2016
- New York Times - Apr 24 2009
- New York Times - Apr 28 2006
- Newsday.com - May 14 2005
- Irish Times (Simplex) - Sep 24 2003
- Irish Times (Simplex) - Mar 12 2003
- Irish Times (Simplex) - Sep 23 2002
- The Guardian - Quick crossword No 9,310 - Mar 4 2000
- New York Times - Sep 28 1997
- New York Times - May 11 1997
Related Clues:
- Coloured like the piper
- Informally dubious or uncertain
- Doubtful, not definite
- Empty in the middle
- Having a cavity inside
- Cavity or space in something
- This Piper was nasty in Hamelin
- Not certain, doubtful
- Not solid, having hole in the middle
- Cavity, space
- This Piper behaved badly in children's story from Hamelin
- Chancy, suspect
- Informally dubious, not definite
- Empty, not solid
- Of doubtful quality or legality