instantly, immediately
Tom parou instantaneamente.
Tom stopped instantly.
Ele, instantaneamente, se apaixonou por ela.
He instantly fell in love with her.
O príncipe e a princesa se apaixonaram instantaneamente.
The prince and princess fell in love instantly.
Ele foi atropelado por um carro e faleceu instantaneamente.
He was hit by a car and died instantly.