His misconduct is a disgrace to the school.
I ended up with a shameful record.
不名誉 is a more formal, official term for dishonor, while 恥さらし is colloquial and emotionally charged, often used to insult a person directly.
不名誉 names the state of dishonor itself, whereas 汚点 highlights the specific blemish or mark that results from it.
dishonorable discharge
Compound of 不 (negative prefix) and 名誉 (honor, prestige). The combination straightforwardly means 'without honor'.