1. To increase in strength, degree, or intensity during the final stages or conclusion of something
The competition began to intensify in the closing stages of the match.
A competição começou a intensificar nos estágios finais da partida.
2. To become more extreme or forceful toward the end of an event or period
The conflict intensified in the closing stages of negotiations.
O conflito intensificou-se nos estágios finais das negociações.