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
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Recent Examples of effectiveness
Naysayers on both sides attack, question Newsom's effectiveness Newsom's White House ambitions remain just that, for now.
—
Phillip M. Bailey, USA Today, 3 Nov. 2025
Worthington said the rhetoric by Republicans in Pennsylvania is helpful, but limited in its effectiveness.
—Will McDuffie, ABC News, 3 Nov. 2025
Jaylen Brown and Payton Pritchard put on a first-quarter shot-making display, but lost some of their effectiveness late in the game.
—Jay King, New York Times, 1 Nov. 2025
For maximum effectiveness, place cedar rings or chips inside bags or containers to seal up with your clothing.
—Brandee Gruener, Southern Living, 31 Oct. 2025
Despite losing faith in most politicians, populism resonates Young Americans see very few politicians actively addressing their concerns around affordability, leading some to lose faith in the effectiveness of either major political party.
—Elena Moore, NPR, 31 Oct. 2025
Jackson’s effectiveness through the air began to open up more opportunities for Henry and company.
—Miami Herald, 31 Oct. 2025
The Russian 9x19mm 7N31 cartridge is specially engineered to defeat modern body armor while maintaining effectiveness against unarmored targets.
—Atharva Gosavi, Interesting Engineering, 30 Oct. 2025
The result is a stable emulsion—a vehicle that can reliably deliver cannabinoids and other active ingredients in beverages without separating or losing effectiveness over time.
—Oset Babür-Winter, Bon Appetit Magazine, 29 Oct. 2025
Phillip M. Bailey, USA Today, 3 Nov. 2025
Worthington said the rhetoric by Republicans in Pennsylvania is helpful, but limited in its effectiveness.
—Will McDuffie, ABC News, 3 Nov. 2025
Jaylen Brown and Payton Pritchard put on a first-quarter shot-making display, but lost some of their effectiveness late in the game.
—Jay King, New York Times, 1 Nov. 2025
For maximum effectiveness, place cedar rings or chips inside bags or containers to seal up with your clothing.
—Brandee Gruener, Southern Living, 31 Oct. 2025
Despite losing faith in most politicians, populism resonates Young Americans see very few politicians actively addressing their concerns around affordability, leading some to lose faith in the effectiveness of either major political party.
—Elena Moore, NPR, 31 Oct. 2025
Jackson’s effectiveness through the air began to open up more opportunities for Henry and company.
—Miami Herald, 31 Oct. 2025
The Russian 9x19mm 7N31 cartridge is specially engineered to defeat modern body armor while maintaining effectiveness against unarmored targets.
—Atharva Gosavi, Interesting Engineering, 30 Oct. 2025
The result is a stable emulsion—a vehicle that can reliably deliver cannabinoids and other active ingredients in beverages without separating or losing effectiveness over time.
—Oset Babür-Winter, Bon Appetit Magazine, 29 Oct. 2025
Recent Examples of Synonyms for effectiveness
Noun
-
The once-daily, oral medication is proven to reduce the frequency and intensity of hot flashes and night sweats, based on clinical studies measuring efficacy at 4 and 12 weeks.—
Marnie Goodfriend,
Flow Space,
29 Oct. 2025
-
If there were, there’d be safety in numbers and a sense of efficacy.—
Michael Shank,
MSNBC Newsweek,
27 Oct. 2025
Noun
-
The organization’s Green Heart Project, which studies the impact of better air quality on heart disease through urban greening, has found that increasing the number of trees and shrubs in an area can create lower levels of a blood marker associated with inflammation.—
Maggie Menderski,
Louisville Courier Journal,
26 Oct. 2025
-
Experts bemoan the loneliness epidemic and its impact on youth, mental health, longevity, and chronic pain.—
Joni Eareckson Tada,
MSNBC Newsweek,
25 Oct. 2025
Noun
-
The new visa aims to loosen restrictions and enhance China’s global appeal, promising more generous terms such as longer validity periods and multiple entries.—
Peter Guo,
NBC news,
23 Oct. 2025
-
Hoskins last week attempted to cast doubt on the validity of roughly 100,00 signatures gathered by the campaign.—
Kacen Bayless,
Kansas City Star,
23 Oct. 2025
Noun
-
Historically, at the Bernabeu, the coach and their own tactical ideas have never been of primary importance.—
Dermot Corrigan,
New York Times,
31 Oct. 2025
-
The sessions will continue in the Ocean Cay MSC Marine Reserve, a private island sanctuary in the Bahamas, where guests will learn about coral restoration and marine protection, before sailing the turquoise waters with Horn to see the importance of protecting the delicate underwater ecosystems.—
Rachel Cormack,
Robb Report,
31 Oct. 2025
Noun
-
Weekly physiotherapy sessions became part of their routine, and to their relief, Manolo began to regain a bit of strength.—
Tereza Shkurtaj,
PEOPLE,
2 Nov. 2025
-
All that motion benefits bone strength, too.—
Daryl Austin,
USA Today,
2 Nov. 2025
Noun
-
In addition to being around her work, Zohran appreciates the significance behind it.—
Makena Gera,
PEOPLE,
4 Nov. 2025
-
Each month’s full moon has a different name that carries cultural significance.—
Chantelle Lee,
Time,
4 Nov. 2025
Noun
-
Founded in 1963, Kurt Geiger became a leading authority in footwear and accessories in Europe.—
Julia Teti,
Footwear News,
31 Oct. 2025
-
But again, check with the authorities first, and proceed with caution.—
Lew Sichelman,
Miami Herald,
31 Oct. 2025
Noun
-
The film’s considerable power depends entirely on its moment-to-moment persuasiveness, on a set of narrative and aesthetic choices that, as presented—in a series of swift, kinetically composed, and jaggedly edited scenes—seldom feel like choices at all.—
Justin Chang,
New Yorker,
6 Aug. 2025
Cite this Entry
“Effectiveness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectiveness. Accessed 6 Nov. 2025.
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