injudicious
From Longman Dictionary of Contemporary Englishinjudiciousin‧ju‧di‧cious /ˌɪndʒuːˈdɪʃəs◂/ adjective formal STUPID/NOT SENSIBLEan injudicious action, remark etc is not sensible and is likely to have bad results He has apologized for his injudicious remarks. —injudiciously adverbExamples from the Corpusinjudicious• an injudicious investment