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.
Treatment is only provided "where it is clinically appropriate" he said and that patients are monitored afterwards for safety and effectiveness.
From BBC
Researchers also observed additional disruptions in eye turning during accommodation and reduced effectiveness of eye blinks in triggering pupil constriction in myopic eyes.
From Science Daily
Most existing wave energy devices perform well only under specific wave conditions, limiting their effectiveness in the constantly shifting environment of the open sea.
From Science Daily
Those are particularly useful for programming due to the ability to tailor the models for specific purposes and cost effectiveness.
From Barron's
Those are particularly useful for programming due to the ability to tailor the models for specific purposes and cost effectiveness.
From Barron's
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.
