Incredulous
/ɪnˈkrɛdʒ.ə.ləs/noun
Unwilling or unable to believe something.
Did you know?Incredulous comes from Latin credere, “to believe,” the same root behind credo, creed, and even credentials — words built around trust, oath, and faith.
Etymological Timeline
Latin
Latin
incredulus
“not believing; skeptical”
Late Latin
Latin
incredulitas
“unbelief, skepticism”
Old French
Old French
incredule
“incredulous, unbelieving”
14th Century
English
incredulous
“unbelieving; refusing to accept”
Modern English
English
incredulous
“disbelieving or skeptical”