1. He acted dishonourably by cheating on his wife.
2. The soldier was dishonourably discharged from the army for his misconduct.
3. It is dishonourable to spread malicious rumors about someone.
4. The politician was accused of acting dishonourably by accepting bribes.
5. The student was expelled from school for behaving dishonourably towards his classmates.
6. The company was found guilty of acting dishonourably by exploiting their workers.
7. It is dishonourable to take credit for someone else's work.
8. The athlete was disqualified from the competition for behaving dishonourably.
9. The judge was removed from his position for ruling dishonourably in a high-profile case.
10. The businessman was dishonourably ousted from the company for embezzling funds.