1. To increase in intensity, severity, or magnitude as something approaches its conclusion
The conflict began to escalate toward the end of the negotiations.
O conflito começou a intensificar-se no final das negociações.
2. To worsen or become more serious as an event, period, or situation nears its termination
Tensions escalated toward the end of the movie, creating a dramatic climax.
As tensões agravaram-se no final do filme, criando um clímax dramático.