Synonyms of 'inalienable'
respect for the inalienable rights of people and nations
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If a law or principle is inviolable, you must not break it.
The game had a single inviolable rule
If you describe something as sacrosanct, you consider it to be special and are unwilling to see it criticized or changed.
Weekend rest days were considered sacrosanct.
Thesaurus for inalienable from the Collins English Thesaurus
If you say that someone has an inalienable right to something, you are emphasizing that they have a right to it which cannot be changed or taken away .