deplete
/dɪˈpliːt/
verb
- To reduce the amount or supply of something, often until very little is left.
- Using too much energy at once can deplete the battery quickly.
- The long drought depleted the reservoir to dangerously low levels.
- Overfishing can deplete the ocean's fish populations.
- To use up a person's physical or mental energy or resources.
- Caring for a sick relative can deplete a person's emotional reserves.
- The intense training session depleted the athletes' strength.
- Hours of studying depleted his concentration, so he took a break.