"Incredulous" means skeptical, unbelieving, or not willing or inclined to believe. For example, "When the manager claimed that his fund had earned 18% interest annually for the last three years, we were incredulous."
Sometimes people confuse "incredulous" with "incredible", which means unbelievable, usually in the sense of being amazing, as in an incredible performance or an incredible achievement. One way to remember the difference is that, in general, people are incredulous (doubting) about something, but things(e.g., events, claims, stories) are incredible.
Incredulous means skeptical or unbelieving.
It is an adjective, usually applied to people or a person
Skeptical or unbelievable
"I find it incredulous that someone can have access to a computer and need to ask someone else how to find a piece of information; such as the definition of a word."
Incredulous
I am incredulous towards the bible.
His response left me incredulous.
The root word for incredulous I think is incredible.
You said you believe me, but your manner is incredulous.
I am incredulous that you can't come up with a sentence on your own.
A good word to use in place of incredulous is skeptical.
The teacher was incredulous when the student claimed to have read the novel in two hours.
The stem for incredulous is "incredul-", which means not willing or unable to believe something.
She gave an incredulous look when he told her he had won the lottery.