To deplete is defined as to diminish or use up the supply of something.(verb)
An example of deplete is when you drive around and use up your supply of gas.
See deplete in Webster's New World College Dictionary
See deplete in American Heritage Dictionary 4
transitive verb de·plet·ed, de·plet·ing, de·pletes
Origin: Latin dēplēre, dēplēt-, to empty
Origin: : dē-, de-
Origin: + plēre, to fill; see pelə-1 in Indo-European roots.
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