Origin of incredulous

From the Latin word incrēdulus, dating back to 1525–35. See in-3, credulous
Related formsin·cred·u·lous·ly, adverbin·cred·u·lous·ness, noun
Can be confusedincredible incredulous

Synonyms for incredulous

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

Examples from the Web for incredulously

Contemporary Examples of incredulously

Historical Examples of incredulously

  • I looked at him incredulously, and my father's face expressed no little astonishment.


    Theodor Hertzka

  • He was studying it incredulously, when Sunnysides suddenly resolved all doubts.

  • She raised her eyes, and Lieut. D'Hubert stared into them incredulously.

    A Set of Six

    Joseph Conrad

  • Thorvald stared at him incredulously, then with a growing spark of interest.

    Storm Over Warlock

    Andre Norton

  • She thought she saw him look at her incredulously in the dark, but was not sure.

    The Call of the Blood

    Robert Smythe Hichens

British Dictionary definitions for incredulously


  1. (often foll by of) not prepared or willing to believe (something); unbelieving
Derived Formsincredulously, 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

Word Origin and History for incredulously



"unbelieving," 1570s, from Latin incredulus "unbelieving, incredulous," from in- "not" (see in- (1)) + credulus (see credulous). Formerly also of religious beliefs. Related: Incredulously; incredulousness.

Online Etymology Dictionary, © 2010 Douglas Harper