Sacred

From Middle English sacred, isacred, past participle of Middle English sacren, sakeren ("to make holy, hallow"), equivalent to sacre + -ed.

Full definition of sacred

Set apart by solemn religious ceremony; especially, in a good sense, made holy; set apart to religious use; consecrated; not profane or common; as, a sacred place; a sacred day; sacred service.
Relating to religion, or to the services of religion; not secular; religious; as, sacred history.Smit with the love of sacred song. -John Milton.
Designated or exalted by a divine sanction; possessing the highest title to obedience, honor, reverence, or veneration; entitled to extreme reverence; venerable.Such neighbor nearness to our sacred royal blood Should nothing privilege him. William ShakespearePoet and saint to thee alone were given, The two most sacred names of earth and heaven. -Cowley.
Hence, not to be profaned or violated; inviolable.Secrets of marriage still are sacred held. -.
Consecrated; dedicated; devoted; -- with to.A temple, sacred to the queen of love. -.
(archaic) Solemnly devoted, in a bad sense, as to evil, vengeance, curse, or the like; accursed; baleful.But, to destruction sacred and devote. -.