a. [ L. incredulus. See In- not, and Credulous. ] [ 1913 Webster ]
1. Not credulous; indisposed to admit or accept that which is related as true, skeptical; unbelieving. Bacon. [ 1913 Webster ]
A fantastical incredulous fool. Bp. Wilkins. [ 1913 Webster ]
2. Indicating, or caused by, disbelief or incredulity. “An incredulous smile.” Longfellow. [ 1913 Webster ]
3. Incredible; not easy to be believed. [ R. ] Shak. [ 1913 Webster ]
adv. In an incredulous manner; with incredulity. [ 1913 Webster ]
n. Incredulity. [ 1913 Webster ]