1. A process of decline, regression, or deterioration in progress, technology, economy, or social conditions
The country experienced backward development after the civil war disrupted its infrastructure.
O país experimentou um desenvolvimento regressivo após a guerra civil interromper sua infraestrutura.
2. In developmental psychology or biology, a return to earlier or more primitive stages of development
The patient showed signs of backward development in motor skills following the neurological event.
O paciente mostrou sinais de desenvolvimento regressivo nas habilidades motoras após o evento neurológico.