1. The quality or state of having no value, merit, or usefulness
He felt a deep sense of worthlessness after losing his job.
Ele sentiu um profundo senso de falta de valor depois de perder seu emprego.
2. The condition of being despicable or contemptible
The worthlessness of his character became apparent to everyone.
A vileza de seu caráter tornou-se aparente para todos.