unbelieving

adj

1. That does not believe; incredulous, skeptical.

   “One Sunday morning I woke up, saying to my sister N., " Do you know, I have had such a vivid dream about the Roper party that I can hardly believe T am awake now." "What did you dream?" said N., in rather an unbelieving and sleepy tone of voice.”

   “The burnt and bleeding man staggered to his feet, dazed and unbelieving, and asked the startled townspeople who came running whether his fireman and guard were safe. He was kept away from the smouldering crater where his engine had been, and taken to hospital.”