| hermetic(obscure, dark, secret, unknown, hidden) |
| hermetical(obscure, dark, secret, unknown, hidden) |
| imperceivable(obscure, dark, secret, unknown, hidden) |
| imperceptible |
| in the dark(expression, idiom, obscure, dark, unknown) |
| inconspicuous |
| indiscernible(obscure, dark, secret, unknown, hidden) |
| indistinct |
| latent(adjective, obscure, dark, secret, unknown) |
| little-known(adjective, obscure, undiscovered, untraveled, unfound) |
| mysterious(adjective, obscure, dark, secret, unknown) |
| mystic(obscure, dark, secret, unknown, hidden) |
| mystical(obscure, dark, secret, unknown, hidden) |
| occult(obscure, dark, secret, unknown, hidden) |
| out of view(expression, idiom, obscure, dark, unknown) |
| overlooked |
| recondite(obscure, dark, secret, unknown, hidden) |
| screened(obscure, dark, secret, unknown, hidden) |
| secluded(adjective, obscure, dark, secret, unknown) |
| sequestered(obscure, dark, secret, unknown, hidden) |