verb

be unable to believe.

he seemed to disbelieve her

not believe,not credit,give no credence to,discredit,discount,doubt,distrust,mistrust,be suspicious of,have no confidence/faith in,be incredulous of,be unconvinced about,not accept,reject,repudiate,question,challenge,contradict,take with a pinch of salt,incredulous,unbelieving,doubtful,dubious,unconvinced,distrustful,mistrustful,suspicious,lacking trust,cynical,sceptical