Description of incredulous (adjective) skeptical; disbelieving; doubting
Samples of incredulous The incredulous look on his face led me to believe he was not convinced of its importance. The reporter was incredulous on hearing the computer executive's UFO account.
Description of consequential (adjective) following as an effect; important; resultant; subsequent
Samples of consequential His long illness and consequential absence set him behind in his homework. The decision to move the company will be consequential to its success.