“holy” in Latin

sacer (ἱερός; as belonging to the gods; of buildings, places sacred to deities, even when not solemnly consecrated by the augurs; opposed to profanus): sanctus (ἁγνός; placed under the protection of the gods; and, as such, guarded against profanation: of men, it either refers to the inviolability of their persons, or to moral purity and innocence; of places, sanctus is wider than sacer, extending to whatever must be retpected and uninjured; e.g., walls, gates, etc., might be sanctae res, but sacer applies only to temples, groves, etc.: homo sanctus, a pure, moral man; homo sacer would be one devoted to the infernal gods, as a punishment for his impiety): sacrosanctus (a person or thing protected from violation, etc., by a sentence of death solemnly enacted against the offender; it was the technical term of the tribunes and other magistrates, whose persons were inviolable; though sanctus was also used in this sense: hence general term for “very sacred,” etc., the memory of anybody or anything, memoria; but post-Augustan, in this sense): religiosus (scrupulous in the performance of duty from a regard to the Divine law of right and wrong; also applied to divine things; e.g. tombs, oaths, ceremonies, etc.). (The words are found in this connection and order.) sacer et religiosus (of things sacred to a god): pius (observant of the duties that relate to the gods, as well as those that relate to country, parents, etc.): castus (morally pure, etc.): venerandus: venerabilis (deserving adoration or high reverence). A holy person (morally), vir (natura) sanctus et religiosus, integer et sanctus; qui pie sancteque colit deos (Deum); pius erga Deum: a holy duty, officium sanctum (preserved in its purity, held sacred; Vid: Cic., Quint., 6, 26); officium pium (proceeding from a pious mind). They esteemed it a holy duty and acceptable service to etc., (aliquid facere) et pium duxerunt, et diis immortalibus (Deo) gratissimum esse duxerunt. A holy day [Vid: HOLIDAY]: a holy war, bellum pro religionibus susceptum: holy writ [Vid: BIBLE]: as we are told or taught in holy writ, ut sanctae litterae docent; sicut sacrae litterae docent; quod divinis litteris proditum est. The most holy place of a temple, occulta et recondita templi; sacrarium intimum; penetralia (plur.): adytum (Greek). I hold his memory holy, ejus mihi memoria sacrosancta est: to look upon anything as holy, aliquid sanctum or sanctissimum habere: very holy, aliquid summa caerimonia colere (e.g., a chapel, sacrarium): to swear by all that is holy, persancte jurare: to keep holy, religiose agere or celebrare (e.g., dies festos).

Holy Cross day, dies, quo Christi crux constituta est, ab omnibus Christianis religione celebrandus (celebratus, etc., after Plin., Ep., 10, 103). To make or declare anything holy; Vid: To CONSECRATE, To DEDICATE.