Disreputable \Dis*rep"u*ta*ble\, a. 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 Revised Unabridged Dictionary (1913)