dishonorable

Adjective

• lacking honor or integrity; deserving dishonor
  • "dishonorable in thought and deed"
• deceptive or fraudulent; disposed to cheat or defraud or deceive

Adj

• Without honor, or causing dishonor.
• Lacking respect for ethical principles.

Synonyms

dishonest, dishonourable, grubby, ignoble

Antonyms

honest, honorable