/ˈkwestʃənəbl ||; ˈkwɛstʃənəbḷ/adj1 that you have doubts about; not certain 有问题的;不肯定的;不确定的: It's questionable whether we'll be able to finish in time. 我们是否能如期完成还是个问题。
2 likely to be dishonest or morally wrong (诚信或道德上)可疑的,值得怀疑的: questionable motives 可疑的动机 [OPP] unquestionable 反义词为unquestionable