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
The bill proposes creating a comparative effectiveness review process for prescription drugs on the Medicaid formulary.
—
James Hart, Hartford Courant, 30 Mar. 2026
No injuries were reported among passengers or crew, underscoring the effectiveness of both onboard procedures and ground coordination.
—Aamir Khollam, Interesting Engineering, 30 Mar. 2026
There are advantages to that, although effectiveness is not guaranteed.
—Steve Reaven, Chicago Tribune, 30 Mar. 2026
But staff found each option carried trade-offs in cost, visibility or effectiveness.
—Daniel Lempres, Sacbee.com, 30 Mar. 2026
Maurizio Cattelan, who also wielded a banana with profound memetic effectiveness, is one of the few other artists whose work has this kind of stickiness, but his recent sculptures have leaned more on the public’s appetite for stunts, whereas Rødland plumbs more mysterious depths.
—Chris Wiley, New Yorker, 28 Mar. 2026
Since then, Moscow has modified them to improve their effectiveness, begun domestic production and repeatedly launched the drones in waves at Ukrainian cities.
—Volodymyr Yurchuk, Los Angeles Times, 28 Mar. 2026
Since then, Moscow has modified them to improve their effectiveness, begun domestic production, and repeatedly launched the drones in waves at Ukrainian cities.
—Volodymyr Yurchuk, Fortune, 28 Mar. 2026
The effectiveness, safety, and side effects are similar to daily shots.
—Emily Kay Votruba, EverydayHealth.com, 27 Mar. 2026
James Hart, Hartford Courant, 30 Mar. 2026
No injuries were reported among passengers or crew, underscoring the effectiveness of both onboard procedures and ground coordination.
—Aamir Khollam, Interesting Engineering, 30 Mar. 2026
There are advantages to that, although effectiveness is not guaranteed.
—Steve Reaven, Chicago Tribune, 30 Mar. 2026
But staff found each option carried trade-offs in cost, visibility or effectiveness.
—Daniel Lempres, Sacbee.com, 30 Mar. 2026
Maurizio Cattelan, who also wielded a banana with profound memetic effectiveness, is one of the few other artists whose work has this kind of stickiness, but his recent sculptures have leaned more on the public’s appetite for stunts, whereas Rødland plumbs more mysterious depths.
—Chris Wiley, New Yorker, 28 Mar. 2026
Since then, Moscow has modified them to improve their effectiveness, begun domestic production and repeatedly launched the drones in waves at Ukrainian cities.
—Volodymyr Yurchuk, Los Angeles Times, 28 Mar. 2026
Since then, Moscow has modified them to improve their effectiveness, begun domestic production, and repeatedly launched the drones in waves at Ukrainian cities.
—Volodymyr Yurchuk, Fortune, 28 Mar. 2026
The effectiveness, safety, and side effects are similar to daily shots.
—Emily Kay Votruba, EverydayHealth.com, 27 Mar. 2026
Recent Examples of Synonyms for effectiveness
Noun
-
But his dictionary, with its conclusiveness, was a huge publishing success.—
Louis Menand,
New Yorker,
22 Dec. 2025
Noun
-
One is a Cochrane review, published in January, that examined the literature on THC efficacy in treating chronic pain — another condition for which medical marijuana is frequently recommended.—
Kevin A. Sabet,
STAT,
1 Apr. 2026
-
Foundayo was approved for adults only and its safety and efficacy haven’t been established in children.—
Meg Tirrell,
CNN Money,
1 Apr. 2026
Noun
-
Outside the courtroom, the case is already having an impact — especially in South Florida's immigrant communities.—
Ivan Taylor,
CBS News,
2 Apr. 2026
-
While economic impact can be quantified and reported, community impact cannot be so easily transacted.—
Michelle Grabner,
Artforum,
2 Apr. 2026
Noun
-
Issues concerning the construction, validity, interpretation and enforceability of these Official Rules shall be governed by the laws of the State of New York, without regard to any principles of conflict of laws.—
Condé Nast,
Condé Nast Traveler,
1 Apr. 2026
-
In interviews with The News, though, some teachers and parents said the experienced administrator should not be held responsible for allegations about her husband or doubted the validity of the claims.—
Cayla Bamberger,
New York Daily News,
31 Mar. 2026
Noun
-
Situations like this reinforce the importance of responsible ownership, proper training and understanding each individual dog — regardless of breed.—
Tori Mason,
CBS News,
2 Apr. 2026
-
Speakers including County Commission Chairman Mark Jerrell, Juvenile Judge Aretha Blake, and Bridget Happney, senior social services manager at Mecklenburg County Youth and Family Services, spoke about the importance of everyone working together to keep children safe.—
Charlotte Observer,
Charlotte Observer,
1 Apr. 2026
Noun
-
But Food Lion is winning budget-conscious shoppers with its value and private label strength, Lempert said.—
Charlotte Observer,
Charlotte Observer,
2 Apr. 2026
-
This era of college basketball — the NIL and portal combination — has either robbed Self of his greatest strength or at least sneaked a few pennies from the community tray.—
Sam McDowell,
Kansas City Star,
2 Apr. 2026
Noun
-
President of baseball operations Alex Anthopoulos acknowledged the significance of that fact, saying there’s no one more deserving of that honor than Sale.—
Gabriel Burns,
AJC.com,
28 Mar. 2026
-
Its personal significance is trumpeted by the fact that Haghighi plays one of the two lead roles, a man named Kaveh who is being driven by a woman, Leila (Taraneh Alidoosti), to a remote, wintry mountain region.—
Richard Brody,
New Yorker,
27 Mar. 2026
Noun
-
Three people were killed and a driver is suspected of driving under the influence after a crash shut down Napa County's Silverado Trail for hours on Saturday, authorities said.—
Brandon Downs,
CBS News,
29 Mar. 2026
-
Iranian authorities say more than 1,900 people have been killed in the Islamic Republic, while 19 have been reported dead in Israel.—
ABC News,
ABC News,
29 Mar. 2026
Cite this Entry
“Effectiveness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectiveness. Accessed 3 Apr. 2026.
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