INEFFICACY Synonyms: 21 Similar and Opposite Words

inefficacy

noun

Definition of inefficacy

as in ineffectiveness

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Example Sentences

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Recent Examples of inefficacy 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 And the broader issue is that despite all the evidence showing its inefficacy, TANF reform still hasn't happened. — Aisha Nyandoro, Forbes.com, 3 Feb. 2026 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

Recent Examples of Synonyms for inefficacy

Noun

What readers are saying The comments express strong opposition to capital punishment, particularly highlighting the botched execution of Christa Pike as an example of its cruelty and ineffectiveness.

— Victoria Craw, Washington Post, 2 Oct. 2026
However, September continued to showcase the club’s ineffectiveness at the plate.

— Kansas City Star, Kansas City Star, 29 Sep. 2026

Definition of ineffectiveness

Noun

All men recognize the right of revolution; that is, the right to refuse allegiance to, and to resist, the government, when its tyranny or its inefficiency are great and unendurable.

— René Ostberg, Encyclopedia Britannica, 30 Oct. 2026
Across large clinical trial portfolios, these inefficiencies can compound significantly.

— Avik Pal, Forbes.com, 30 Oct. 2026

Definition of inefficiency

Noun

In fact, Mike’s frustration at his own ineffectuality seems to be what’s at least partly destroying his public image.

— Bilge Ebiri, Vulture, 15 Oct. 2026
Caroline’s anguish and her ineffectuality at making progress in finding Gabriel make for some frustrating moments as a reader.

— John Warner, Chicago Tribune, 7 Mar. 2026