D defs.my
Entry 1 sense Webster, 1913

Incredulity

/ĭnˌ-krəd-o͞ol'-ĭt-ē/ · In·cre·du·li·ty · IPA /ˌɪnkɹɪˈdjuːlɪti/
01 n. The state or quality of being incredulous; a withholding or refusal of belief; skepticism; unbelief; disbelief.
  1. 1.
    The state or quality of being incredulous; a withholding or refusal of belief; skepticism; unbelief; disbelief.
    “Of every species of incredulity, religious unbelief is the most irrational.” — Buckminster.