ill–ad·vised 
/ˌɪlədˈvaɪzd/ adjective
/ˌɪlədˈvaɪzd/ adjective [more ill–advised; most ill–advised] : not wise or sensible : foolish
▪ an ill-advised decision ▪ You would be ill-advised [=you would be making a mistake] to invest all your money in one company. — opposite well-advised
▪ an ill-advised decision ▪ You would be ill-advised [=you would be making a mistake] to invest all your money in one company. — opposite well-advised
— ill–ad·vis·ed·ly /ˌɪlədˈvaɪzədli/ adverb
/ˌɪlədˈvaɪzədli/ adverb
