What does depleted mean?
Depleted describes something that has been used up or reduced to a much lower level than before. It applies most often to tangible resources — oil fields, fish stocks, groundwater, savings — but also to people and their energy, as when an athlete feels depleted after exertion or a patient emerges depleted from illness. The word carries a connotation of loss and diminishment: a depleted thing still exists, but only in markedly reduced form, which distinguishes it from words implying total absence. It functions both as the past participle of the verb 'deplete' (to empty out or use up) and as an adjective in its own right. The term is especially prominent in discussions of environmental sustainability and public health, making it a useful word for describing scarcity whether material, financial, or physical.
Reduced greatly in quantity or strength; used up to a large extent.
"The team played on despite their depleted roster."
Frequently used attributively before nouns (e.g., depleted reserves) as well as predicatively.
Past participle of 'deplete': having been emptied or consumed.
"The aquifer had been depleted by decades of irrigation."
The most famous 'depleted' substance on Earth — depleted uranium — is actually left over after the most energetic part has been removed.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of depleted
Depleted comes from the Latin 'deplere', meaning to empty out, formed from 'de-' (removal) plus 'plere' (to fill), the same root that gives us 'complete', 'replete', and 'supplement'. English acquired the verb 'deplete' via Latin usage in the early seventeenth century, initially in medical contexts referring to draining fluids from the body, before broadening to general exhaustion of supplies and resources. Its Romance-language cousins share the same 'plere' root, reflecting a productive Latin stem for notions of filling and emptiness.
Related word forms
How depleted is actually used
Neutral to formal in register and common in scientific, environmental, and medical writing. As a participial adjective it typically follows verbs like 'be', 'feel', or 'leave'. The physical-exhaustion sense is slightly more informal than the resource sense but entirely standard.
Easily confused with depleted
'Deleted' means removed or erased (as of a file or text), while 'depleted' means used up or drained in quantity.