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Definitions

effectiveness

[ih-fek-tiv-nis, ee-fek‐] / ɪˈfɛk tɪv nɪs, iˈfɛk‐ /




Example Sentences

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Nine biosimilars — which are FDA-approved drugs with the same safety, effectiveness and treatment benefits as the original drug — flooded the market at substantially lower prices.

From MarketWatch • Apr. 7, 2026

That’s despite few clinical studies supporting the effectiveness or safety of these peptides, which are amino acid chains meant to help regulate functions in the body and have become popular among fitness and longevity enthusiasts.

From Salon • Apr. 4, 2026

The trend continued into the 1990s, with the likes of Roger Clemens, Curt Schilling and John Smoltz deploying it with deadly effectiveness.

From The Wall Street Journal • Mar. 31, 2026

Users hit back at Papperger's comments with jokes and memes highlighting the effectiveness of Ukrainian drones and anti-drone defences.

From Barron's • Mar. 29, 2026

To demonstrate its effectiveness in controlling lice, guards asked five men and five women in each of the infested dorm rooms to wash themselves with the cloudy liquid.

From "Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West" by Blaine Harden