Dictionary entry

Lethiferous

Webster's Dictionary 1913

Le‐thif″er‐ous (lē̍‐thĭf″ẽr‐ŭs), a. [L. lethifer, letifer, fr. lethum, letum, death + ferre to bear, to bring: cf. F. léthifère.] Deadly; bringing death or destruction.