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English definition of “potency”

potency

noun [U] uk   /ˈpəʊ.tən.si/ us    /ˈpoʊ.t̬ənt-/
strength, influence, or effectiveness: This new drug's potency is not yet known. He owed his popular support to the potency of his propaganda machine.Efficient and effectivePower and intensityEnergy, force and power a man's ability to have sex: Consuming large amounts of alcohol can significantly reduce a man's potency.
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Sexual activity in generalPhysical and sexual assault and abduction
(Definition of potency from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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