The long hike up the mountain was enervating.

The hot weather is enervating.

The enervators in the power plant were responsible for converting mechanical energy into electrical energy.

She felt enervous before her big presentation.

Her constant complaining is enerving.

The enervations of the team were evident in their lackluster performance.

She enerved her friends by constantly complaining.

I enervate my opponents with my powerful attacks.