deadest

adj

1. (figuratively, form-of, humorous, superlative)superlative form of dead: most dead.

   “What crime was this, that lived incarnate in this sequestered mansion, and could neither be expelled nor subdued by the owner? -- what mystery, that broke out now in fire and now in blood, at the deadest hours of night?”

   “Here Rosa fell flat on her back in the deadest of faints. Her limbs were rigid, her eyes glassy; what had Jerry been doing? It must have been something very bad, for her to take on like that.”