If you describe someone's behaviour as imprudent, you think it is not sensible or carefully thought out. an imprudent investment = unwise. not sensible or wise
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
lacking wise self-restraint; "an imprudent remark" 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