Dishonorable (adjective)

Not in accordance with principles of honor; shamefully or disgracefully wicked.

Origin:

From the old french desonorable, from the latin dishonorus, meaning "dishonored, infamous".

Examples:

1. The dishonorable actions of the politician caused widespread public outrage.
2. The dishonorable behavior of the soldier was a severe breach of military discipline.
3. The dishonorable conduct of the CEO was a major factor in the company's downfall.
4. The dishonorable treatment of the refugees was a clear violation of international law.
5. The dishonorable way in which the contract was signed made it invalid in the eyes of the court.