0 mysterious and known only by a few people:
1 complicated and therefore understood or known by only a few people:
They worked hard to negotiate New York's arcane rules for getting on presidential ballots.
But isn't there something gratuitous - perhaps even patronising - in seeing it 'revealed' in various facets, often arcane, of this or that argument?
The sense of the occult as simply arcane is wrong in at least one important way.
It demonstrated her belief that educational research at its best, rather than being somehow arcane, stems from the unique perspectives, experience and understanding of practitioners.
These were not arcane debates, but the stuff of community interest, likely to move citizens when constitutions were judged by popular vote.
Ordinary people had little understanding of or interest in the arcane complexities of revolutionary intrigue.
It provided men with a limited, arcane, learning which improved neither their knowledge of the world nor their conduct and manners within it.
I went to enhance my understanding of the intriguing and arcane world of architects' public relations and self-promotion.
This enables the twins to replace discursive speech with a primordial yet arcane language that relies solely on aural perception.
