Dĕl/e-tē'ri-oŭs, a.
(89), a. [L. Lat. deleterius, from Lat. delere. See DELE.] Having the quality of destroying, or extinguishing, life; destructive; poisonous; pernicious; as, a deleterious plant or quality.
(89), a. [L. Lat. deleterius, from Lat. delere. See DELE.] Having the quality of destroying, or extinguishing, life; destructive; poisonous; pernicious; as, a deleterious plant or quality.