This is the 2701st most frequent Portuguese word.
prevenir
To prevent or to warn.
In this sentence, 'prevenir' is used in the sense of avoiding or protecting against negative outcomes before they occur, referring to proactive action.
É importante prevenir doenças com bons hábitos de saúde.
It is important to prevent diseases with good health habits.
Here, 'prevenir' means to warn or caution someone regarding potential risks, involving communication to alert others.
Ele tenta prevenir todos sobre o perigo daquela estrada.
He tries to warn everyone about the danger of that road.
In this context, 'prevenir' signifies taking precautions or safeguarding oneself against threats or risks.