| arcane definitions |
| # | Definition | Sets |
| 1 | known or understood by only a few | 100 sets |
| 2 | esoteric; secret; mysterious; known only to the initiated; ex. arcane ritual; ex. arcane process closed to the uninitiated listener | 52 sets |
| 3 | mysterious | 48 sets |
| 4 | requiring secret or mysterious knowledge | 35 sets |
| 5 | secret; mysterious | 30 sets |
| 6 | secret | 28 sets |
| 7 | secret, mysterious | 20 sets |
| 8 | understood by only a few; mysterious | 19 sets |
| 9 | obscure, secret, known only by a few | 19 sets |
| 10 | secret, obscure, known only to a few | 18 sets |
| 11 | mysterious; known only to a select few | 17 sets |
| 12 | understood only by a few | 16 sets |
| 13 | secret, obscure; known only to a few | 13 sets |
| 14 | beyond comprehension; mysterious; secret | 12 sets |
| 15 | obscure; known only to a few people | 11 sets |
| 16 | mysterious; known only to a select few mysterious | 9 sets |
| 17 | known or understood by only a few; mysterious | 9 sets |
| 18 | (adj.) obscure, secret, known only by a few (the professor is an expert in ___ lithuanian literature. | 9 sets |
| 19 | secret or mysterious | 9 sets |
| 20 | understood by only a few | 9 sets |
| 21 | adj.; esoteric, understood only by a select few | 8 sets |
| 22 | esoteric | 8 sets |
| 23 | understood only by a few; secret | 8 sets |
| 24 | secret, obscure | 7 sets |
| 25 | understood or known by only a few. | 7 sets |
| 26 | understood by few | 7 sets |
| 27 | mysterious, abstruse, esoteric, knowable only to initiates | 7 sets |
| 28 | adj. secret; mysterious; known only to the initiated | 6 sets |
| 29 | known by only a few | 6 sets |
| 30 | obscure, known only to a few people | 6 sets |
| 31 | difficult to understand | 6 sets |
| 32 | (adj.) obscure, secret, known only by a few (the professor is an expert in arcane lithuanian literature | 6 sets |
| 33 | secret; mysterious; known only to the initiated | 6 sets |
| 34 | known or understood only by a few | 6 sets |
| 35 | adj- secret | 5 sets |
| 36 | esoteric, secret, mysterious, known only to the initiated | 5 sets |
| 37 | adj: understood by only a few; mysterious | 5 sets |
| 38 | known or understood by very few; mysterious; secret; obscure; esoteric | 5 sets |
| 39 | obscure; known only to few people | 4 sets |
| 40 | hidden | 4 sets |