The adjective incredible means unbelievable or hard to believe. Incredible often applies to statements, actions, or events. In informal usage, incredible can also mean amazing or surprising.
The adjective incredulous means skeptical or expressive of disbelief. Incredulous applies to people and their attitudes.
Also see: Credible, Creditable, and Credulous.
- "All men are prepared to accomplish the incredible if their ideals are threatened." (Maya Angelou)
- "It may not be amiss to add, for the benefit of incredulous readers, that all the 'improbable events' in the story are matters of fact, taken from the printed narrative." (Wilkie Collins)
(a) "The world is divided into two classes, those who believe the _____, and those who do the improbable." (Oscar Wilde)
(b) When we first saw the reports of Hurricane Katrina on the news, we were _____.