This is the 4155th most frequent Portuguese word.
seguro
Safe; secure; insurance.
In this sentence, 'seguro' is used to express certainty or confidence.
Eu estou seguro de que esta é a decisão correta.
I am certain that this is the right decision.
Here, 'seguro' is utilized to describe the safety or reliability of the car.
Este carro é muito seguro em caso de acidente.
This car is very safe in case of an accident.
In this context, 'seguro' refers to an insurance policy, a service or agreement for protection against risks.