| concealed(verb, adjective, clear, open, overspread) |
| disguised(adjective, open, overspread, covered, nonpublic) |
| hidden(verb, adjective, clear, open, plain) |
| private(adjective, open, isolated, hidden, overspread) |
| secret(adjective, hidden, overspread, covered, unrevealed) |
| camouflaged(adjective, open, overspread, covered, nonpublic) |
| privy(adjective, open, secret, overspread, covered) |
| shrouded(adjective, clear, plain, overspread, covered) |
| covered(verb, adjective, open, overspread, nonpublic) |
| blind(adjective, open, hidden, overspread, covered) |
| cloaked |
| conceal |
| hush-hush(adjective, secret, overspread, public, covered) |
| amaurotic(adjective, overspread, covered, nonpublic) |
| autogenous(adjective, overspread, covered, nonpublic) |
| backdoor(adjective, overspread, covered, nonpublic) |
| backstairs(adjective, overspread, covered, nonpublic) |
| behind the scenes(expression, adjective, idiom, common, overspread) |
| bejeweled(adjective, open, overspread, covered, nonpublic) |
| blind as a bat(expression, adjective, idiom, overspread, covered) |