| hidden(verb, adjective, obscure, secret, clandestine) |
| concealed(verb, adjective, quiet, obscure, plain) |
| disguised(verb, adjective, secure, obscure, secret) |
| covert(adjective, obscure, secret, hidden, clandestine) |
| masked(verb, adjective, obscure, secret, hidden) |
| secret(adjective, obscure, hidden, clandestine, concealed) |
| invisible(adjective, invisible, latent) |
| buried(verb, adjective, secret, hidden, concealed) |
| imperceptible(adjective, invisible) |
| cloaked(verb, adjective, obscure, qualified, bound) |
| indiscernible(adjective, invisible) |
| latent(adjective, invisible, latent) |
| obscured(verb, adjective, secret, hidden, concealed) |
| veiled(adjective, obscure, secret, hidden, clandestine) |
| blinded(verb, concealed) |
| covered(verb, adjective, secure, obscure, mysterious) |
| incognito(adjective, close, disguise, secret, hidden) |
| inconspicuous(adjective, quiet, plain, secret, hidden) |
| unapparent(adjective, invisible, latent) |
| screened(verb, adjective, concealed) |