/ˌɪlɪˈʤɪtɪmɪt/ – verb
Definition: 1. không hợp pháp, không được hợp pháp hóa;
2. đẻ hoang, ngoài giá thú, ngoại hôn.
A more thorough explanation: 1. born to parents who are not married to each other
2. not according to the law, rules or principles
Example: The court ruled that the child was illegitimate as the parents were not married at the time of birth.