Synonyms and related words :
bound up in, bound up with, deep-seated, esoteric, immanent, impartible, implanted, implicit, incommunicable, indefeasible, indissoluble, indivisible, indwelling, infixed, ingrained, inherent, inner, inseparable, internal, intrinsic, inward, inwrought, irreducible, noncommunicable, noncontagious, noninfectious, private, resident, secret, subjective, unalienable, unchallengeable, undividable, unimpartable, unquestionable