1. To decrease or limit the features, capabilities, or operational capacity of a system, software, or device
The software update will reduce functionality for older devices.
A atualização de software reduzirá a funcionalidade para dispositivos mais antigos.
2. To simplify or restrict operations to essential features only
The app was designed to reduce functionality in offline mode.
O aplicativo foi projetado para reduzir a funcionalidade no modo offline.