disreputable
adjective /dɪsˈrepjətəbl/
  /dɪsˈrepjətəbl/
- that people do not respect or trust; considered to be bad, dangerous or dishonest- She spent the evening with her disreputable brother Stefan.
- a disreputable area of the city
- This approach remains intellectually disreputable even now.
 Oxford Collocations Dictionaryverbs- be
- look
- seem
- …
 - thoroughly
- very
- rather
- …