adjective (a)

• incapable of being repudiated or transferred to another(adj.all)

  Example:
  Endowed by their Creator with certain unalienable rights.
  

  Synonym:
  inalienable
  Antonym:
  alienable
  

  source: wordnet30
• Inalienable; as, unalienable rights.(adjective)

  source: webster1913