holocaust UK /ˈhɒl.ə(ʊ)ˌkɔːst/US /ˈhɑl.əˌkɔst/noun 4verb 3forms 3 noun4 •An offering or sacrifice to a deity that is completely burned to ashes. •(figurative) Extensive destruction of a group of animals or (especially) people; a large-scale massacre or slaughter.None will emerge the victor from this holocaust. — 1953 •Complete destruction by fire; also, the thing so destroyed.A horrible holocaust occurred near Hollow Rock, in Benton County, about 7 o'clock last night. The residence of William F. Flowers was consumed by fire. — 1889 •A complete or large offering or sacrifice.Insnar'd she was in Shechems Treachery, / And, silly Mayden, suddenly became / An Holocaust to Lusts unhappy Flame. — 1648 verb3 •To destroy (something) completely, especially by fire.I at once holocausted / My clothes to stamp out the infection—infection. — 1874 •To subject (a group of people) to a holocaust (mass annihilation); to destroy en masse.Over the centuries, we [Jews] were expelled, pogromed, crusaded, inquisitioned, jihaded, and holocausted out of countries that we helped to make great. — 1991 •To sacrifice (chiefly an animal) to be completely burned.Such acts must needs be his, who did devise / By crying Altars down, to sacrifice / To private malice; where you might have seen / His conscience holocausted to his spleen. — 1647 formsholocausted · holocausting · holocausts