1. conduct that lacks dignity, grace, or respectability; actions that are shameful, unbecoming, or beneath one's station
His undignified behavior at the formal dinner embarrassed his entire family.
Seu comportamento indigno no jantar formal envergonhou toda a sua família.
2. actions that are disrespectful, improper, or lacking in self-respect
The politician's undignified behavior during the debate damaged his reputation.
O comportamento indigno do político durante o debate danificou sua reputação.