inglorious, dishonorable - not bringing honor and glory; "some mute inglorious Milton here may rest"

dishonest, dishonorable - deceptive or fraudulent; disposed to cheat or defraud or deceive

unjust - violating principles of justice; "unjust punishment"; "an unjust judge"; "an unjust accusation"

ignoble - completely lacking nobility in character or quality or purpose; "something cowardly and ignoble in his attitude"; "I think it a less evil that some criminals should escape than that the government should play an ignoble part"- Oliver Wendell Holmes, Jr.

disreputable - lacking respectability in character or behavior or appearance

unworthy - lacking in value or merit; "dispel a student whose conduct is deemed unworthy"; "unworthy of forgiveness"

dishonorable, dishonourable - lacking honor or integrity; deserving dishonor; "dishonorable in thought and deed"; "a dishonorable discharge"

insincere - lacking sincerity; "a charming but thoroughly insincere woman"; "their praise was extravagant and insincere"

corrupt, crooked - not straight; dishonest or immoral or evasive

false - not in accordance with the fact or reality or actuality; "gave false testimony under oath"; "false tales of bravery"

untrustworthy, untrusty - not worthy of trust or belief; "an untrustworthy person"

dishonorable, dishonourable - lacking honor or integrity; deserving dishonor; "dishonorable in thought and deed"; "a dishonorable discharge"

unknown - not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source"

wrong - contrary to conscience or morality or law; "it is wrong for the rich to take advantage of the poor"; "cheating is wrong"; "it is wrong to lie"

ignoble - completely lacking nobility in character or quality or purpose; "something cowardly and ignoble in his attitude"; "I think it a less evil that some criminals should escape than that the government should play an ignoble part"- Oliver Wendell Holmes, Jr.