unalienable

Etymology
.

Adjective

 * 1) Not alienable.
 * 2) * 1776, July 4th,
 * We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.

Usage notes
Generally considered interchangeable with, even in legal settings. In the past occasionally distinguished but not specifically contrasted with inalienable; see inalienable: usage notes for details.