Incredulous

In*cred"u*lous (?; 135), a. [L. incredulus. See In- not, and Credulous.]

1. Not credulous; indisposed to admit or accept that which is related as true, skeptical; unbelieving. Bacon.

A fantastical incredulous fool.
Bp. Wilkins.

2. Indicating, or caused by, disbelief or incredulity. "An incredulous smile." Longfellow.

3. Incredible; not easy to be believed. [R.] Shak.