Expressing surprise and shock:
* "He stared at the empty chair in disbelief."
* "The news of her sudden departure filled me with disbelief."
* "Her disbelief was palpable, her eyes wide with astonishment."
Expressing doubt and skepticism:
* "He listened to her story with disbelief, questioning her every claim."
* "The scientist dismissed the theory with a scoff of disbelief."
* "Her disbelief in his innocence was evident in her cold demeanor."
Expressing a refusal to believe something:
* "I refused to believe his story, dismissing it with a wave of disbelief."
* "She shook her head in disbelief, unable to comprehend what she was seeing."
* "The rumors were met with disbelief, as no one could imagine such a thing."
Using "disbelief" as a noun phrase:
* "Disbelief washed over him as he realized the truth."
* "The evidence was overwhelming, leaving no room for disbelief."
* "The weight of her disbelief pressed down on her, making it hard to breathe."
Remember to choose the sentence that best fits the context and the emotion you want to convey.