sacrosanct
adjective
[ ˈsakrə(ʊ)saŋ(k)t ]
• (especially of a principle, place, or routine) regarded as too important or valuable to be interfered with.
• "the individual's right to work has been upheld as sacrosanct"
Similar:
sacred,
hallowed,
respected,
inviolable,
inviolate,
unimpeachable,
unchallengeable,
invulnerable,
untouchable,
inalienable,
set apart,
protected,
defended,
secure,
safe,
unthreatened,
Origin:
late 15th century: from Latin sacrosanctus, from sacro ‘by a sacred rite’ (ablative of sacrum ) + sanctus ‘holy’.