lethiferous

Borrowed from Latin lethifer, letifer, from lethum, letum (“death”) + ferre (“to bear, to bring”). Compare French léthifère.

lethiferous (comparative more lethiferous, superlative most lethiferous)

1. (obsolete) Deadly, lethal.
   • 1658, John Robinson, Eudoxa, p. 151 - Those that are really lethiferous are but excrescencies of sin

• “lethiferous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney and Benjamin E[li] Smith, editors (1914), “lethiferous”, in The Century Dictionary: An Encyclopedic Lexicon of the English Language, revised edition, volumes III (Hoop–O), New York, N.Y.: The Century Co., →OCLC.