above water abstruse armored at anchor back-door backstairs beclouded behind the curtain behind the scenes behind the veil blind buried cased ceiled clandestine cloaked close clouded coated concealed confidential coped covered covert covertly cowled curtained doggo eclipsed encapsulated encapsuled encased enveloped enwrapped feline filmed floored furtive hid hidden hidden out hidlings high and dry hole-and-corner hooded housed hugger-mugger hush-hush in a cloud in a corner in a fog in a whisper in ambush in darkness in eclipse in harbor in hiding in hidlings in purdah in safety in secret in the background in the clear in the dark in the wings incommunicado latent loricate loricated lurking mantled masked muffled mysterious nobody the wiser obfuscated obscure obscured occult occulted on on tiptoe out of danger packaged past danger paved private privy prowling pussyfoot pussyfooted quiet recondite roofed-in screened scummed secluded secluse secret secretly sequestered sheathed shelled shielded shifty shrouded skulking slinking slinky sly sneaking sneaky sotto voce stealing stealthy sub rosa surreptitious swathed tented terra firma under an eclipse under cover under house arrest under the breath under the rose under wraps under-the-counter under-the-table underground underhand underhanded underneath unknown unobtrusive veiled waiting concealed walled walled-in with bated breath wrapped wrapped in clouds