Definition of "deader"

deader

adjective
1. (figuratively, humorous) comparative form of dead: more dead; or at least more evidently dead.
  Quotations
  Oldwick drew the pistol from his shirt. "If he has made up his mind to kill me," he thought. "I can't see that it will make any difference in the long run whether I infuriate him or not. The beggar can't kill me any deader in one mood than another."
  1920, Edgar Rice Burroughs, Tarzan the Untamed‎
  The days of pioneering, of lassies in sunbonnets, and bears killed with axes in piney clearings, are deader now than Camelot...
  1920, Sinclair Lewis, Main Street‎
noun
plural deaders
1. (informal, chiefly humorous) One who is deceased, or will shortly become so.
  Quotations
  "No, nor drink. And Mr. Bender, he was the fust to go, and then Indian Pete, and then Mrs. McGregor, and then Johnny Hones, and then, dearie, your mother.""Then mother's a deader too," cried the little girl, dropping her face in her pinafore and sobbing bitterly."Yes, they all went except you and me...
  1887, Arthur Conan Doyle, A Study in Scarlet‎