1. Behavior or actions that bring shame, disgrace, or loss of honor to a person, group, or institution
His dishonorable conduct led to his dismissal from the military.
Sua conduta desonrosa levou à sua demissão do exército.
2. Unethical or immoral actions that violate standards of decency and propriety
The lawyer was sanctioned for dishonorable conduct in court.
O advogado foi sancionado por conduta desonrosa em tribunal.