1. To reduce the intensity, strictness, or effectiveness of defensive measures, strategies, or personnel
The team decided to loosen defense to focus on offensive plays.
O time decidiu afrouxar a defesa para focar em jogadas ofensivas.
2. To make defensive positions, restrictions, or controls less rigid or controlling
The coach will loosen defense in the second half to pressure their offense.
O técnico vai afrouxar a defesa no segundo tempo para pressionar o ataque deles.