nondepletable
adjective
non·de·plet·able
ˌnän-di-ˈplē-tə-bəl 
: not able to become depleted or exhausted : not depletable
nondepletable energy sources
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“Nondepletable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nondepletable. Accessed 28 Nov. 2025.
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