| recondite(adjective, sound, easy, evil, sharp) |
| obscure(adjective, hard, sharp, difficult, dark) |
| deep(adjective, hard, sound, easy, evil) |
| mysterious(adjective, hard, evil, obscure, dark) |
| puzzling(adjective, hard, fancy, evil, obscure) |
| difficult(adjective, hard, obscure, strange, uncertain) |
| intricate(adjective, hard, fancy, evil, obscure) |
| arcane(adjective, evil, obscure, difficult, strange) |
| profound(adjective, easy, obscure, difficult, heavy) |
| esoteric(adjective, hard, sound, easy, evil) |
| incomprehensible(adjective, obscure, difficult, strange, uncertain) |
| occult(noun, adjective, evil, obscure, dark) |
| complex(adjective, hard, fancy, difficult, heavy) |
| perplexing(adjective, hard, fancy, obscure, difficult) |
| cryptic(adjective, evil, sharp, obscure, difficult) |
| unfathomable(adjective, hard, obscure, difficult, strange) |
| complicated(adjective, hard, evil, obscure, difficult) |
| enigmatic(adjective, hard, evil, sharp, obscure) |
| hidden(adjective, hard, evil, obscure, difficult) |
| involved(adjective, hard, fancy, obscure, difficult) |