de-energize or de-energise /dē-enˈər-jīz/

1. To disconnect (an electrical circuit) from its source of power
2. To remove energy from

To lose energy

• fire-eater
• fire-eaters
• fire-edge
• fire-edges
• fire engine
• fire engines
• fire escape
• fire escapes
• fire extinguisher
• fire extinguishers
• fire-eyed
• firefight
• firefighter
• firefighters
• firefighting
• firefights
• fire-flag
• fire-flags
• fire-flaught
• fireflies
• firefloat
• firefloats
• firefly
• fire-grate
• fire-grates