Unleash/ʌnˈliːʃ/ Definition 1 of 4Pro Tip 1/2Powerful Impact Use 'unleash' to describe the release of something impactful, often negative or destructive. The scandal unleashed a storm of media attention. Pro Tip 2/2Sudden Release 'Unleash' implies a quick or sudden release of something that was restrained or controlled. His comment unleashed an intense debate.