: less potent than normal
subpotent drugs

Word History

First Known Use

circa 1909, in the meaning defined above

Time Traveler
The first known use of subpotent was circa 1909

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Cite this Entry

“Subpotent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subpotent. Accessed 2 Aug. 2026.

Medical Definition

: less potent than normal
subpotent drugs
subpotency noun
plural subpotencies
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