Synonyms of discreditable

2 Syllables
shoddy, schlocky, shoddier, unfair
3 Syllables
shameful, unsporting, blackguardly, opprobious, appalling, unseemly
4 Syllables
disgraceful, unhandsome, ignominious, blameworthy, unbecoming
5 Syllables
disreputable, reprehensible, dishonorable, demeritorious