incredulous in Russian
incredulous in Russian
недове́рчивый
Skeptical, disbelieving, or unable to believe. [from 16th c.]
скептичный
Skeptical, disbelieving, or unable to believe. [from 16th c.]
невероя́тный
(largely, _, obsolete, now, only, _, nonstandard) Difficult to believe; incredible. [from 17th c.]