inalienable (adj.)
- deep-seated
- esoteric
- immanent
- implanted
- implicit
- indefeasible
- indissoluble
- indivisible
- indwelling
- ingrained
- inherent
- inner
- inseparable
- internal
- intrinsic
- inward
- inwrought
- irreducible
- noncommunicable
- noncontagious
- noninfectious
- private
- resident
- secret
- subjective
- unalienable
- unchallengeable
- undividable
- unquestionable