Last seen in:
- Wall Street Journal - Jan 13 2022 - Namedropping
- Premier Sunday - King Feature Syndicate - Jul 29 2018
- The Times - Concise - Times2 Concise 6284 - December 30, 2013
- USA Today - Mar 21 2011
- Irish Times (Simplex) - Mar 14 2011
- Universal - Jun 3 2009
- Wall Street Journal - Oct 17 2008 - October 17, 2008 - Convenient Cash
- The Times - Concise - Times2 Concise 4285 - August 4, 2007
- The Guardian - Quick crossword No 11,099 - Dec 1 2005
Related Clues:
- Secret kind of coteries
- Understandable by only an enlightened inner circle
- Requiring secret or mysterious knowledge
- Mysteriouss or secret
- Abstruse, mysterious
- Mysterious to all but a chosen few
- Secret or mysterious
- Intelligible only to informed people in coteries
- Ace ran, being mysterious
- Secret and mysterious
- Abstruse, arcane
- Intelligible only with special knowledge
- Mysterious like a crane
- 'Abstruse, arcane (8)'
- Understood by only a few people