1. to reduce speed or pace as one approaches the conclusion or final stages of something
The runner started to slow down near the end of the marathon.
O corredor começou a desacelerar perto do final da maratona.
2. to decrease productivity, intensity, or momentum towards the completion of a task or period
Sales tend to slow down near the end of the fiscal year.
As vendas tendem a desacelerar perto do final do ano fiscal.