Synonyms and related words :
absolute, abstract, abstruse, anagogic, arcane, auricular, between the lines, between us, cabalic, cabalistic, censored, certain, classified, close, closed, concealed, concrete, confidential, covert, cryptic, dark, deep, deep-seated, defined, definite, delitescent, detailed, determinate, different, distinct, distinguished, dormant, eerie, enigmatic, especial, exceptional, express, extramundane, extraordinary, extraterrestrial, fey, fixed, heavy, hermetic, hibernating, hidden, hush-hush, hypernormal, hyperphysical, immanent, implanted, implicit, in petto, inalienable, individual, indwelling, infixed, ingrained, inherent, inner, inside, internal, intimate, intrinsic, inward, inwrought, irreducible, latent, lurking, metaphysic, minute, muffled, mysterious, mystic, not for publication, noteworthy, numinous, obfuscated, obscured, occult, off the record, otherworldly, particular, personal, possible, potential, precise, preterhuman, preternatural, preternormal, pretersensual, private, privileged, profound, psychic, recondite, resident, respective, restricted, sealed, secret, several, singular, sleeping, smothered, solipsistic, special, specific, spiritual, stifled, subjective, submerged, superhuman, supernatural, supernormal, superphysical, supersensible, supersensual, suppressed, supramundane, supranatural, theosophical, theosophist, top secret, transcendental, transmundane, ulterior, unalienable, unbreatheable, unchallengeable, under privilege, under security, under the surface, under wraps, underlying, undisclosable, undisclosed, undivulgable, undivulged, unearthly, unhuman, unmanifested, unpublishable, unquestionable, unrevealable, unrevealed, unspoken, untellable, untold, unutterable, unuttered, unwhisperable, unworldly, veiled, virtual