Synonyms of immaculate conception

Noun

1. Immaculate Conception, December 8, holy day of obligation

usage: Roman Catholic holy day first celebrated in 1854

2. Immaculate Conception, Immaculate Conception of the Virgin Mary, religious doctrine, church doctrine, gospel, creed

usage: (Christianity) the Roman Catholic dogma that God preserved the Virgin Mary from any stain of original sin from the moment she was conceived