deficient [dɪˈfɪʃnt]

以下由轻松背单词网站提供

adj.不足的，不充份的，有缺陷的

not having enough of

The crops are suffering from deficient rain. 庄稼因雨量不足而遭受损害。
I always have been deficient in selfconfidence and decision. 我向来缺乏自信和果断。