"imprudent" in the adjective sense
1. imprudent
not prudent or wise
"very imprudent of her mother to encourage her in such silly romantic ideas"
"would be imprudent for a noneconomist to talk about the details of economic policy"- A.M.Schlesinger
2. imprudent
lacking wise self-restraint
"an imprudent remark"
Source: WordNet® (An amazing lexical database of English)
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