1. To inject or introduce something into a system or process to increase its effectiveness or strength
The company decided to boost in more investment to accelerate growth.
A empresa decidiu injetar mais investimento para acelerar o crescimento.
2. To add energy, confidence, or morale to a situation or person
The coach gave a pep talk to boost in team morale before the championship.
O treinador fez um discurso motivacional para impulsionar o moral do time antes do campeonato.