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.
-
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 breadth and effectiveness of the Iranian response caught Gulf residents unaware.
“We were working to ensure state officer safety and operational effectiveness, not exempt ICE,” said Diana Crofts-Pelayo, Newsom’s chief deputy director of communications.
From Los Angeles Times
The FDA said the biotech company’s trial data failed to demonstrate the effectiveness of its investigational Huntington’s disease therapy.
From Barron's
Anecdotal evidence has indicated the effectiveness of sprinklers can vary significantly based on the setup and the conditions during the fire.
From Los Angeles Times
"Attackers crowd the goalkeeper hoping to nullify his movement and effectiveness," Cann explained.
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.
