1. A reduced or less pronounced regional or foreign accent, often achieved through deliberate effort or assimilation into a new linguistic environment
After years of living in London, his Irish accent had become a softened accent.
Depois de anos morando em Londres, seu sotaque irlandês tinha se tornado um sotaque suavizado.
2. A manner of speaking where the harshness or distinctiveness of one's native accent is diminished or moderated
She adopted a softened accent when presenting to the international audience.
Ela adotou um sotaque suavizado ao apresentar para a audiência internacional.