1. The state or condition of being born to parents not married to each other
In previous centuries, illegitimacy carried severe social stigma.
Em séculos anteriores, a ilegitimidade carregava um estigma social severo.
2. The quality of being unlawful, improper, or not in accordance with established rules or standards
The court questioned the illegitimacy of the government's decision.
O tribunal questionou a ilegitimidade da decisão do governo.
3. Lack of validity or authenticity
The illegitimacy of the document was evident from its poor forgery.
A ilegitimidade do documento era evidente pela sua falsificação grosseira.