v. Simple past tense and past participle of deplete.
the GNU version of the Collaborative International Dictionary of English
adj. no longer sufficient.
adj. having resources completely depleted.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. no longer sufficient
Word Usage
"But balancing that is the fact that as our farming has intensified, nutrients have been depleted from the soil, so that a zucchini today has fewer nutrients that a zucchini bought 100 years ago."