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

• spare tyres
• sparganium
• sparganiums
• sparge
• sparged
• sparger
• spargers
• sparges
• sparging
• spar-hawk
• spar-hawks
• sparid
• sparids
• sparing
• sparingly
• sparingness
• sparingnesses
• spark
• spark chamber
• spark chambers
• spark coil
• spark coils
• sparke
• sparked
• sparked-out