redouble

/riˈdʌbəl/
verb
  1. To increase or strengthen something, especially effort, intensity, or activity.
    • The team redoubled their efforts in the final minutes of the game.
    • The company redoubled its focus on customer service after the complaints.
    • Hearing the news, she redoubled her determination to finish the project.
  2. To become twice as great or intense.
    • The noise from the crowd redoubled as the singer came on stage.
    • The wind redoubled, making it hard to walk outside.
    • His anger redoubled when he saw the damage to his car.
Antonyms
What does "redouble" mean? | whatsthatwordmean | whatsthatwordmean