Incredulous(noun)
Unwilling to admit or accept what is offered as true
Hindi meaning:अविश्वासी
Synonyms: Disbelieving, Doubtful, Unconvinced, Distrustful, Suspicious
Antonyms: Believing, Certain, Definite, Sure, Unquestionable
Example: The lottery winner was incredulous and could not believe his good fortune.
Trick to remember: Inkar kar dungi kyuki me Incredulous hu. 
