THESAURUS
Pyrrhonic, agnostic, cagey, cautious, chary, cynical, disbelieving, doubtful, doubting, dubious, envious, from Missouri, green, green with jealousy, green-eyed, hesitant, hesitating, horn-mad, in doubt, invidious, jaundice-eyed, jaundiced, jealous, leery, mistrustful, mistrusting, nervous, questioning, sceptical, scrupulous, shy, skeptical, suspecting, suspicious, unbelieving, uncertain, uneasy, unsure, untrusting, wary, yellow, yellow-eyed
ROGET THESAURUS
Incredulity
N
incredulousness, incredulity, skepticism, pyrrhonism, want of faith, suspiciousness, scrupulosity, suspicion, mistrust, cynicism, unbeliever, skeptic, cynic, misbeliever, pyrrhonist, heretic, incredulous, skeptical, unbelieving, inconvincible, hard of belief, shy of belief, disposed to doubt, indisposed to believe, suspicious, scrupulous,
distrustful, cynical.