Noun

(-)

Unwillingness or inability to believe; doubt about the truth or verisimilitude of something; disbelief.

* 1916 , Edgar Rice Burroughs, Tarzan and the Jewels of Opar , ch. 24:

Wide went her eyes in wonder and incredulity , as she beheld this seeming apparition risen from the dead.

* {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=8 citation , passage=It was a casual sneer, obviously one of a long line. There was hatred behind it, but of a quiet, chronic type, nothing new or unduly virulent, and he was taken aback by the flicker of amazed incredulity that passed over the younger man's ravaged face.}}

(rare) Religious disbelief, lack of faith.

Noun

Unpreparedness, unwillingness, or inability to believe that something is the case.

She cried out in disbelief on hearing that terrorists had crashed an airplane into the World Trade Center in New York City.

Astonishment.

I stared in disbelief at the Grand Canyon.

The loss or abandonment of a belief; cessation of belief.

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