unfathomable, shadowy, confidential, dim, mystic, give up, hole-and-corner, unfathomed, unknown, magic, inward, unseen, signpost, surreptitious, obvious, unavowed, recondite, hermetic, puzzling, deep, accessible, mystical, quarry, secluded, privy, unsuspected, cryptic, subterranean, obscure, transcendental, apart, open, occult, underhand, uncertain, cloak-and-dagger, symbolical, incomprehensible, unnoticeable, inscrutable, out of sight, withdrawn, impenetrable, illegible, inexplicable, arcane, undercover, private, unseeable, opaque, hugger-mugger, ulterior, mysterious, isolated, underground, among, abstruse, flag, trace, placement, sealed, enigmatical, withheld, vague, cabalistic, location, personal, inert, blind, strange, orphic, show, clouded, undetected, unintelligible, unsung, cloistered
harbored (part of speech: verb)
secret (part of speech: adjective)
invisible (part of speech: adjective)
latent (part of speech: adjective)
shaded (part of speech: verb)
concealed (part of speech: verb)
disappeared (part of speech: verb)
shady (part of speech: adjective)
- Before they could strike the City swept closer; had hidden them from me. - "The Metal Monster", A. Merritt.
- Yet I may have been hidden in the woods near by, watching these two men. - "Who Goes There?", Blackwood Ketcham Benson.
- Men say, Edmund replied, that King Alfred is hidden there. - "The Dragon and the Raven or, The Days of King Alfred", G. A. Henty.