Synonyms of demeritorious

2 Syllables
guilty, sinful, amiss, errant, wicked, erring, remiss
3 Syllables
culpable, ignoble, unholy, blamable, delinquent, unworthy, opprobrious
4 Syllables
disgraceful, blameworthy, condemnable, censurable, impeachable
5 Syllables
reprehensible, discreditable, objectionable