built-in
US /ˌbɪltˈɪn/
UK /ˌbɪltˈɪn/

1.
embutido, integrado
included as part of something and not separate from it
:
•
The new car has a built-in navigation system.
O carro novo tem um sistema de navegação integrado.
•
The apartment comes with built-in wardrobes.
O apartamento vem com guarda-roupas embutidos.
2.
inerente, intrínseco
existing as a natural or essential part of something
:
•
There's a built-in risk in any investment.
Há um risco inerente em qualquer investimento.
•
The system has built-in safeguards against errors.
O sistema possui salvaguardas integradas contra erros.