1. not disposed or willing to believe
The Collaborative International Dictionary of English v.0.48:
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.
WordNet (r) 3.0 (2006):
adj 1: not disposed or willing to believe; unbelieving [ant:
Moby Thesaurus II by Grady Ward, 1.0:
47 Moby Thesaurus words for "incredulous":
Humean, Pyrrhonic, agnostic, cautious, creedless, disbelieving,
disinclined to believe, disposed to doubt, distrustful, doubtful,
doubting, dubious, faithless, guarded, hard of belief, heretical,
hesitant, impervious to persuasion, inconvincible, irreligious,
leery, minimifidian, mistrustful, nonbelieving, nullifidian,
questioning, quizzical, repudiative, sceptical, shy of belief,
skeptic, skeptical, suspecting, suspicious, unbelieving, uncertain,
unconfident, unconverted, unconvinced, unconvincible, uncredulous,
unpersuadable, unpersuasible, unsatisfied, unwilling to accept,
wary, without faith