deplete
to use up or empty out
Roots
- de-: down, away, reversal, reduction, or removal
- plen / plet: fill, full, complete
Other words with the plen / plet root
- complement: something that completes another thing
- complementary: completing or fitting well with something
- complete: finished; lacking nothing
- completion: the act or state of finishing
- compliant: willing to obey or go along
- depletion: reduction by using up
- plenary: complete or fully attended
Deplete is the opposite motion of replenish: fullness is drained away.
The long commute depleted the attention she wanted for the evening.