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spent

(spĕnt)

Past tense and past participle of spend.

adj.

1. Having been put to use and therefore unavailable for use: spent shell casings.

2. Depleted of energy, force, or strength; exhausted: spent laborers.

3. Depleted or nearly depleted of fissionable material: spent nuclear fuel.

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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