1. In a manner that expresses feelings of gratitude, pleasure, or approval in an unrestrained or enthusiastic way
She thanked him effusively for his help.
Ela o agradeceu efusivamente pela sua ajuda.
2. With excessive or exuberant emotional expression
The crowd applauded effusively when the singer took the stage.
A multidão aplaudiu efusivamente quando o cantor subiu ao palco.