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
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The close call, however, prompted Congress to require more rigorous safety and efficacy data from drug manufacturers and empower the FDA to monitor the industry more closely.—
David Armstrong,
ProPublica,
8 May 2025 -
To demand that every new formulation be tested against an inert placebo would mean turning back the clock to reproduce trials that may have taken place decades ago, but resulted in the licensing of the original vaccine after safety and efficacy were established.—
Michael Hiltzik,
Los Angeles Times,
8 May 2025
Noun
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If the case is appealed to a circuit court of appeals, that could broaden the impact because circuits span multiple states.—
Bart Jansen,
USA Today,
18 May 2025
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The trend has raised alarm because visitors from abroad have an important impact on the U.S. economy — especially in California, one of the leading destinations for German tourists.—
Erik Kirschbaum,
Los Angeles Times,
17 May 2025
Noun
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The rapper’s attorneys questioned the validity of the search warrants that police obtained to round up the evidence.—
Grethel Aguila,
Miami Herald,
12 May 2025
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When an article is submitted to a journal, most medical journals utilize double-blinded peer review, meaning the article is sent out typically to two to four medical experts to assess the validity of the manuscript and if publication is warranted.—
Omer Awan,
Forbes.com,
7 May 2025
Noun
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Environments that support psychological needs, such as relatedness, reduce procrastination and emphasize the importance of a connected culture.—
David Nour,
Forbes.com,
16 May 2025
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What To Know In a letter to Rubio on May 7, lawmakers stressed the importance of expanding the State Department's 2024 pilot program, which allowed certain H-1B visa holders to renew their visas without leaving the country.—
Billal Rahman,
MSNBC Newsweek,
16 May 2025
Noun
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In the first half of the 20th century, even as labor unions gained strength elsewhere, there was a fear of giving federal workers too much say over how the nation's laws were carried out.—
Andrea Hsu,
NPR,
11 May 2025
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The Celtics’ greatest strength and greatest flaw is their persistence.—
Jared Weiss,
New York Times,
11 May 2025
Noun
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Against that backdrop, Monday’s meeting has taken on a heightened significance.—
Jeanna Smialek,
New York Times,
18 May 2025
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As the president of World-Voices Organization, Washington also emphasizes the significance of community, especially at a time when many voice actors and creatives feel isolated or vulnerable.—
William Jones,
USA Today,
17 May 2025
Noun
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Seven of 10 inmates who escaped from a New Orleans jail through a hole in a wall behind a toilet remained on the run May 17, as authorities in Louisiana continued a massive manhunt and wondered if the men had had inside help.—
Jeanine Santucci,
USA Today,
18 May 2025
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The company does not have the moral or constitutional authority to sell the genetic information of its customers.—
Moti Mizrahi,
The Orlando Sentinel,
17 May 2025
Noun
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These stats show that there’s a growing credibility crisis for AI and organizations, more than ever before, must build and deploy AI tools in ways that preserve trust and bolster their credibility, not erode it.—
Kolawole Samuel Adebayo,
Forbes.com,
16 May 2025
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The congresswoman also blasted the poll’s credibility.—
Ross O'Keefe,
The Washington Examiner,
15 May 2025
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Cite this Entry
“Effectiveness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectiveness. Accessed 22 May. 2025.
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