| obscure(adjective, dark, secret, hidden, concealed) |
| occult(adjective, strange, secret, unknown, imperceptible) |
| quiet(adjective, close, private, isolated, secluded) |
| refuge(noun, place, cover, attack, protection) |
| shrouded(adjective, obscure, dark, secret, hidden) |
| sly(adjective, quiet, mean, clever, secret) |
| sneak(secret, clandestine, underground, undisclosed) |
| sneaky(adjective, quiet, mean, secret, sly) |
| thicket(noun, plant) |
| under cover(expression, adjective, idiom, cover, show) |
| under wraps(expression, adjective, idiom, show, secret) |
| backstairs(adjective, mysterious, private, reticent, taciturn) |
| cave(noun, break, cut, cover, crack) |
| covered(obscure, secret, unknown, hidden, concealed) |
| dark(adjective, feature, obscure, mysterious, hidden) |
| harbor(noun, place, cover, attack, protection) |
| hole(noun, opening, abode) |
| lair(noun, place, show, abode) |
| screened(adjective, quiet, secret, hidden, imperceptible) |
| sneaking(adjective, mean, smooth, cunning, private) |