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in·cred·u·lous

(ĭn-krĕjə-ləs)

adj.

1. Skeptical; disbelieving: incredulous of stories about flying saucers.

2. Expressive of disbelief: an incredulous stare.

[From Latin incrēdulus : in-, not; see IN-¹ + crēdulus, believing; see CREDULOUS.]

in·credu·lous·ly adv.

in·credu·lous·ness n.

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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