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
-
Issues like homelessness, gas prices, public transit, the cost of living and the efficacy of state government are relentlessly portrayed as unique, catastrophic failings.—
DeAndre Evans,
Mercury News,
25 June 2025 -
In the morning, CDC staff presented data on COVID-19 vaccines, showing safety and efficacy as well as a reduction in hospitalizations and deaths.—
Mary Kekatos,
ABC News,
25 June 2025
Noun
-
This phrase has a clear intent and a violent legacy, and its impact is not theoretical.—
Lisa Katz,
New York Daily News,
22 June 2025
-
As the impact of the strikes was still being assessed Sunday, European and Gulf leaders appeared united in calls for diplomacy and restraint, while Iran’s longtime allies, China and Russia, criticized the aerial assault as a gross escalation that could lead to further war.—
Claire Cameron,
semafor.com,
22 June 2025
Noun
-
The development of the Green Claims Directive, legislation that could require businesses to verify the validity of environmentally friendly claims made in marketing, has been placed on hold.—
Jon McGowan,
Forbes.com,
30 June 2025
-
This comprehensive screening continues throughout the validity period of the visa.—
Andrew Greif,
NBC news,
26 June 2025
Noun
-
When 44 percent of your games are decided by one run, there’s no underselling the importance of one big swing.—
Andrew Baggarly,
New York Times,
22 June 2025
-
China imports the majority of its oil from neighboring Russia, but the importance of Iran should not be overlooked.—
Timothy Nerozzi,
The Washington Examiner,
22 June 2025
Noun
-
Start half strength liquid fertilizer applications weekly after the seeds germinate.—
Tom MacCubbin,
The Orlando Sentinel,
28 June 2025
-
Even these young players already have major tournament experience — a huge strength given their tough group.—
Megan Feringa,
New York Times,
28 June 2025
Noun
-
Several hundred locals gathered outside the property gates on Sunday to protest the detention center and call for the protection of the land, stressing its special significance to Native Americans as well as conservationists, according to member station WGCU.—
Rachel Treisman,
NPR,
24 June 2025
-
Jennings said the preservation and rehabilitation of the chapel is crucial due to its historical and architectural significance, and community value.—
Damenica Ellis,
Charlotte Observer,
24 June 2025
Noun
-
Painful consequences The lower court, looking carefully at the evidence, found that the overall weight of authority supports gender-affirming care for transgender youth.—
Erwin Chemerinsky,
Mercury News,
22 June 2025
-
He was charged with multiple felony counts of check fraud last March and missed his court hearing in Butte Superior Court, marking him as a fugitive, authorities said.—
Jake Goodrick,
Sacbee.com,
21 June 2025
Noun
-
In journalism, visibility and virality are not the standard—credibility is.—
Ime Ekpo,
Forbes.com,
21 June 2025
-
Dave Williams, the former Colorado GOP chairman who destroyed what remained of the state party’s credibility, recently got a job with the Commerce Department.—
Krista Kafer,
Denver Post,
20 June 2025
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Cite this Entry
“Effectiveness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectiveness. Accessed 5 Jul. 2025.
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