DISREPUTABLE
disreputable
(adjective) lacking respectability in character or behavior or appearance
Source: WordNet® 3.1
Etymology
Adjective
disreputable (comparative more disreputable, superlative most disreputable)
Not respectable, lacking repute; discreditable.
Noun
disreputable (plural disreputables)
A person who is not reputable.
Source: Wiktionary
Dis*rep"u*ta*ble, a.
Definition: Not reputable; of bad repute; not in esteem; dishonorable;
disgracing the reputation; tending to bring into disesteem; as, it is
disreputable to associate familiarly with the mean, the lewd, and the
profane.
Why should you think that conduct disreputable in priests which you
probably consider as laudable in yourself Bp. Watson.
Syn.
– Dishonorable; discreditable; low; mean; disgraceful; shameful.
Source: Webster’s Unabridged Dictionary 1913 Edition