discreditable[adjective]Synonyms: disgraceful, dishonourable, ignominious, reprehensible, scandalous, shameful, unworthy 
 [TahlilGaran] English Synonym Dictionary ▲
 dis‧cred‧it‧a‧ble /dɪsˈkredətəb
əl, dɪsˈkredɪtəb
əl/ 
 adjective formal bad or wrong, and making people lose respect for you or trust in you: 
 discreditable dealings
 discreditable dealings  [TahlilGaran] Dictionary of Contemporary English ▲