[ in-krej-uh-luhs ]
/ ɪnˈkrɛdʒ ə ləs /


not credulous; disinclined or indisposed to believe; skeptical.
indicating or showing unbelief: an incredulous smile.

Origin of incredulous

From the Latin word incrēdulus, dating back to 1525–35. See in-3, credulous

SYNONYMS FOR incredulous

Related forms

in·cred·u·lous·ly, adverbin·cred·u·lous·ness, noun

Can be confused

incredible incredulous

Synonym study Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for incredulously

British Dictionary definitions for incredulously


/ (ɪnˈkrɛdjʊləs) /


(often foll by of) not prepared or willing to believe (something); unbelieving

Derived Forms

incredulously, adverbincredulousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012