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.
Although raised-field agriculture eventually ended -- likely because of population decline and social upheaval after European colonization -- this does not diminish the effectiveness of these systems.
From Science Daily
Studies of the effectiveness of the opt-out laws in England and Wales have found the ambition of the policies have "not had the desired impact in practice".
From BBC
Prof Servais argues newborn testing is "extremely easy to implement" and the effectiveness of the treatment would outweigh the cost of screening.
From BBC
There have been mixed reports into the effectiveness of the programme's vetting.
From BBC
Modern weight-loss drugs have transformed obesity treatment because of their effectiveness in reducing weight and improving metabolic and cardiovascular health.
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.
