1. Work of significant importance, magnitude, or consequence; labor that is considerable in amount or quality
The project requires substantial work before it can be completed.
O projeto requer um trabalho substancial antes de ser concluído.
2. In legal or immigration contexts, work that demonstrates meaningful economic activity or productive contribution
The visa applicant demonstrated substantial work experience in the field.
O candidato a visto demonstrou experiência de trabalho substancial na área.
3. Work that is real and tangible rather than superficial or minimal
The renovation involved substantial work on the foundation.
A renovação envolveu um trabalho substancial na fundação.