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incredulous

/ɪnˈkrɛdʒəlɪs/
/ɪnˈkrɛdʒəlɪs/
IPA guide

If you are incredulous, that means you can't or won't believe something. If you tell people about those aliens you met the other night, they'll probably give you an incredulous look.

Incredulous is the opposite of credulous, which means "believing too easily." Both words come from the Latin word credere, which means "to believe." Incredulous is stronger than skeptical; if you're incredulous, you refuse to believe something, but if you're skeptical, you're doubtful but you haven't ruled it out completely. If someone insists that your best friend is actually an underworld spy, you'll probably look at them with incredulous anger.

Definitions of incredulous
  1. adjective
    not disposed or willing to believe; unbelieving
    synonyms:
    incredible, unbelievable
    beyond belief or understanding
    disbelieving, sceptical, skeptical, unbelieving
    denying or questioning the tenets of especially a religion
    distrustful
    having or showing distrust
    see moresee less
    antonyms:
    credulous
    disposed to believe on little evidence
    credible
    (a common but incorrect usage where `credulous' would be appropriate) credulous
    overcredulous
    too credulous for your own good
    unquestioning
    not inclined to ask questions
    naif, naive
    marked by or showing unaffected simplicity and lack of guile or worldly experience
    trustful, trusting
    inclined to believe or confide readily; full of trust
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DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘incredulous'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Commonly confused words

incredible / incredulous

Incredible describes something you can’t believe because it’s so right, like an incredible double rainbow. Incredulous describes how you feel when you can’t believe something because it’s so wrong, like when someone tells you leprechauns left two pots of gold.

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