The definition of credulous is someone who is too eager to believe things, often without thinking them through.
Not easily persuaded or convinced; doubting; questioning
Persuaded, or otherwise feeling certainty
Refusing or reluctant to believe
The definition of suspicious is someone or something questionable or likely to be suspect.
Not believing; doubting; skeptical; incredulous
Having or causing mistrust, suspicions, or forebodings.
Find another word for incredulous. In this page you can discover 25 synonyms, antonyms, idiomatic expressions, and related words for incredulous, like: disbelieving, credulous, doubtful, skeptical, believing, convinced, belief, dubious, surprised, suspicious and uncertain.