Dishonorable means not having or showing honor, integrity, or respect. It is a term used to describe someone who behaves in an immoral, unprincipled, or disgraceful manner. This person may lack honesty and fairness in their actions, and they do not uphold the values of honor and dignity. In short, being dishonorable means failing to live up to the standards of good character and conduct that are expected from a person in society.