1. To gradually increase in intensity, momentum, or excitement as something approaches its conclusion
The tension in the movie builds up towards the end, creating a dramatic climax.
A tensão no filme intensifica-se no final, criando um clímax dramático.
2. To accumulate or develop progressively leading to a final moment or event
The anticipation builds up towards the end of the season finale.
A antecipação intensifica-se no final do episódio da temporada.