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The impunity of the powerful was measured by the inefficacy of the outraged.—Joshua Rothman, New Yorker, 24 Feb. 2026 When on day five of his mayoralty Zohran Mamdani acknowledged the inefficacy of homeless sweeps and avowed to end them, street homeless adults, advocates, and attorneys rejoiced.—Deborah Berkman, New York Daily News, 24 Feb. 2026 Brands that rely solely on AI risk not just irrelevance, but inefficacy.—Sean Dallaskidd, Forbes.com, 27 Aug. 2025 As research highlighted the inefficacy and unintended consequences of these laws, states rolled them back or modified them, mostly by partially repealing them or reducing the severity of mandatory sentences.—John Leverso, The Conversation, 26 Feb. 2025 See All Example Sentences for inefficacy
Word History
Etymology
Late Latin inefficacia, from Latin inefficac-, inefficax inefficacious, from in- + efficac-, efficax efficacious