Detonate/ˈdetəneɪt/ Definition 1 of 3Pro Tip 1/3Intentional Act Detonate often implies a deliberate action to trigger an explosion. The demolition team successfully detonated the old building. Pro Tip 2/3High Energy The word emphasizes a powerful, energetic release, not a small pop. The fireworks are designed to detonate with a brilliant display. Pro Tip 3/3Sudden Event Detonating suggests a rapid, often unexpected occurrence. An accident at the site caused the chemicals to detonate.