effectiveness
Americannoun
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the quality of producing an intended or desired result.
For maximum effectiveness of your weight loss plan, you need to combine exercise with a healthy diet.
-
the quality of producing a deep or vivid impression.
We were struck by the evident appeal and effectiveness of these short, dramatic, upbeat video stories.
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a measure of the success of a vaccine or other pharmaceutical when used in the real world, as opposed to the controlled environment of a clinical trial.
Other Word Forms
- subeffectiveness noun
- supereffectiveness noun
- uneffectiveness noun
Etymology
Origin of effectiveness
First recorded in 1600–10; effective ( def. ) + -ness ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The effectiveness and safety of these vaccines have been demonstrated by the billions of jabs administered across the world.
From Barron's
Their effectiveness was discovered long before football was invented.
From Los Angeles Times
The minister also said Sweden was investing 1.3 billion kronor in its "space capability, with around 10 military satellites that will enhance the effectiveness of our unmanned systems and cruise missiles".
From Barron's
Future studies will focus on testing the biological effects of the newly discovered trace diterpenes and evaluating their safety and effectiveness in vivo.
From Science Daily
The findings highlight a key gap between controlled clinical trials and everyday use, where side effects, costs, and long-term adherence can limit the effectiveness of medication-based weight loss.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
