effectiveness
Americannoun
-
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.
-
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.
With existing drugs losing effectiveness, researchers are searching for entirely new bacterial weak points.
From Science Daily
In his view, that would limit the promise of technologies that could improve the effectiveness of medical practice in many ways.
From Los Angeles Times
The integrity and effectiveness of such schemes have been widely called into question in publications by climate researchers and campaigners.
From Barron's
Our recommendations support the use of probabilities instead of dichotomous “p-values” and the inclusion of findings from related studies to evaluate safety and effectiveness—an invaluable advancement for rare-disease research.
Treatment is only provided "where it is clinically appropriate" he said and that patients are monitored afterwards for safety and effectiveness.
From BBC
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.
