adjective

deserving strong condemnation; completely unacceptable.

children living in deplorable conditions

disgraceful,shameful,dishonourable,disreputable,discreditable,unworthy,shabby,inexcusable,unpardonable,unforgivable,reprehensible,despicable,abominable,base,sordid,vile,hateful,contemptible,loathsome,offensive,execrable,heinous,odious,revolting,unspeakable,beyond contempt,beyond the pale,egregious,flagitious