1
as in conclusiveness
the capacity to persuade
the "guilty" verdict was all the proof needed of the effectiveness of the prosecutor's closing argument
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in efficacy
the power to produce a desired result
the huge upsurge in sales pretty much demonstrated the effectiveness of the new ad campaign
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in impact
the quality of an utterance that provokes interest and produces an effect
your writing lacks effectiveness because practically every sentence is in the passive voice
Synonyms & Similar Words
Example Sentences
Recent Examples of Synonyms for effectiveness
Noun
-
So perhaps the legitimate research and efficacy of peptides—a new, or new-seeming, class of health and longevity products—explains why everyone is talking about them right now.—
Will Price,
Robb Report,
12 Aug. 2025 -
Kennedy has long promoted doubts about vaccines' safety and efficacy, and as health secretary has upended the federal government's process for recommending immunization.—
Michael Erman,
USA Today,
12 Aug. 2025
Noun
-
Iger spoke about the impact of merging the two streaming platforms in an earnings call, CBS News reported this week.—
Katie Wiseman,
IndyStar,
7 Aug. 2025
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The media company looking to close the loopholes by the end of 2025, with the impact starting to appear in its financials by 2026.—
Dade Hayes,
Deadline,
7 Aug. 2025
Noun
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The series’ impressively brutal action sequences are the fun stuff, but questions about the validity of a monarchy and the intrusions of the outside world on an insular culture are what stick with you.—
Roxana Hadadi,
Vulture,
1 Aug. 2025
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The news of the dysfunctional unit prompted some criminal defendants to argue the validity of the evidence in their cases.—
Elena Santa Cruz,
AZCentral.com,
31 July 2025
Noun
-
The first gradient of importance is the difference between skin temperature (93 F) versus the core (98.6 F), a gradient of 5.6 degrees Fahrenheit.—
Bryant Stamford,
The Courier-Journal,
7 Aug. 2025
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Below is a long-term dividend history chart for TAP, which the report stressed as being of key importance.—
Dividend Channel,
Forbes.com,
7 Aug. 2025
Noun
-
Erin is the first hurricane of the 2025 Atlantic season and could reach Category 4 strength over unusually warm ocean waters.—
Amanda Castro,
MSNBC Newsweek,
15 Aug. 2025
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It de-risks adoption, preserves momentum, and unlocks the distinctly human strengths AI can’t replicate.—
Maria Ross,
Forbes.com,
15 Aug. 2025
Noun
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In the wake of the loss, the new album’s significance in her life has grown stronger.—
Jack Irvin,
People.com,
8 Aug. 2025
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In October, the city’s Historic Preservation Commission recommended the City Council deny the more recent request for a certificate of appropriateness to demolish the Judge Barry House, based on findings about the building’s significance and architecture.—
Molly Morrow,
Chicago Tribune,
6 Aug. 2025
Noun
-
The Administration has also used international students as a bargaining chip to compel university administrations to comply with certain demands, such as by attempting to revoke Harvard University’s authority to enroll international students.—
Miranda Jeyaretnam,
Time,
7 Aug. 2025
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But the judge in charge argued authorities had to watch Body of Lies before sentencing Farahani.—
Georg Szalai,
HollywoodReporter,
7 Aug. 2025
Noun
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For businesses operating in food, health, wellness, and sustainability, this isn’t just a fringe issue but a growing strategic risk to product credibility, policy compliance, consumer safety, and long-term brand value.—
Felicia Jackson,
Forbes.com,
7 Aug. 2025
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But Trump’s recent actions and statements about both positions may have already harmed the credibility of either hire.—
David Goldman,
CNN Money,
5 Aug. 2025
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Cite this Entry
“Effectiveness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectiveness. Accessed 20 Aug. 2025.
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