The Collaborative International Dictionary of English v.0.48:
Unalienable \Un*al"ien*a*ble\, a. Inalienable; as, unalienable rights. --Swift. -- Un*al"ien*a*bly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
unalienable adj 1: incapable of being repudiated or transferred to another; "endowed by their Creator with certain unalienable rights" [syn: inalienable, unalienable] [ant: alienable]