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
designed to deceive or mislead either deliberately or inadvertently; "the deceptive calm in the eye of the storm"; "deliberately deceptive packaging"; "a misleading similarity"; "statistics can be presented in ways that are misleading"; "shoddy business practices"
causing one to believe what is not true or fail to believe what is true; "deceptive calm"; "a delusory pleasure"