1. Incomplete or inadequate growth, progress, or advancement in physical, cognitive, social, or economic aspects
The child showed signs of deficient development due to malnutrition.
A criança apresentava sinais de desenvolvimento deficiente devido à desnutrição.
2. In medical/psychological contexts: developmental delay or disorder affecting normal maturation
Early intervention programs help address developmental deficiency in infants.
Programas de intervenção precoce ajudam a tratar o desenvolvimento deficiente em bebês.
3. In economic/social contexts: inadequate or slow progress in infrastructure, education, or social advancement
The region suffers from deficient development in its educational system.
A região sofre com o desenvolvimento deficiente do seu sistema educacional.