English▸ adjective connected with God (or the gods) or dedicated to a religious purpose and so deserving veneration:
sacred rites
the site at Eleusis is sacred to Demeter.
▪ religious rather than secular:
sacred music.
▪ (of writing or text) embodying the laws or doctrines of a religion:
a sacred Hindu text.
▪ regarded with great respect and reverence by a particular religion, group, or individual:
an animal sacred to Mexican culture.
▪ sacrosanct:
a profit-oriented public to whom nothing is sacred.
– ORIGIN late Middle English : past participle of archaic sacre ‘consecrate’, from Old French sacrer, from Latin sacrare, from sacer, sacr- ‘holy’.