You searched for: “most disreputable
disreputable (adjective), more disreputable, most disreputable
1. Tending to lack respectability in character, behavior, or appearance: Jane and Jessie wore the most disreputable and shabby clothes imaginable.
2. Subject to lacking respectability on the basis of past or present actions: Because of a plane crash a month before, the airline became disreputable and not considered safe anymore.
3. Liable to be considered dishonest or illegal; discreditable; dishonorable: The old house seemed to be in a disreputable part of town where many crimes had been committed.