from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Deadly, lethal.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Deadly; bringing death or destruction.

from The Century Dictionary and Cyclopedia

  • Deadly; bringing death or destruction.


Latin lethifer, letifer, from lethum, letum ("death") + ferre ("to bear, to bring"). Compare French léthifère. (Wiktionary)


  • As we murder bishop, so is there another class of persons whom we only afflict with lethiferous diseases.

    Paul Clifford — Volume 01


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