1. Defective or malfunctioning elements or aspects of a product, system, or design that do not work as intended
The software update addressed several faulty features that users had reported.
A atualização de software corrigiu várias características defeituosas que os usuários haviam reportado.
2. Design flaws or imperfections in a structure, object, or system
The car was recalled due to faulty features in its braking system.
O carro foi recolhido devido a características defeituosas no seu sistema de frenagem.