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 effectiveness of eBird also demonstrates how much wild birds are loved.
—
Ernie Cowan, San Diego Union-Tribune, 26 Oct. 2025
This flexibility enhances efficiency and effectiveness across multiple scenarios, from verifying and containing early-stage fires in remote terrain to supporting large-scale firefighting and cold trailing efforts on major incidents.
—Jijo Malayil, Interesting Engineering, 25 Oct. 2025
Without Al Horford in the lineup, the Warriors tried out a variety of lineups, many of which had limited effectiveness.
—Joseph Dycus, Mercury News, 25 Oct. 2025
Years of economic turmoil have eroded the military’s effectiveness, leading to declining troop conditions and challenges with equipment maintenance.
—Amanda Castro, MSNBC Newsweek, 24 Oct. 2025
Chemical weed controls can lose their effectiveness in killing weeds, too, so instead of finding a solution to having fewer weeds, more problems to tackle could be created.
—Lauren David, Southern Living, 24 Oct. 2025
First thing was cost effectiveness.
—Victoria Gomelsky, Robb Report, 24 Oct. 2025
The City of Cincinnati is planning to investigate the leadership effectiveness of Police Chief Teresa Theetge, according to councilmember Seth Walsh.
—Alexis Martin, Cincinnati Enquirer, 23 Oct. 2025
Officials have also offered few details about the pilots’ effectiveness in assisting enrollees in Medicaid or other public benefit programs.
—Rae Ellen Bichell, CNN Money, 22 Oct. 2025
Ernie Cowan, San Diego Union-Tribune, 26 Oct. 2025
This flexibility enhances efficiency and effectiveness across multiple scenarios, from verifying and containing early-stage fires in remote terrain to supporting large-scale firefighting and cold trailing efforts on major incidents.
—Jijo Malayil, Interesting Engineering, 25 Oct. 2025
Without Al Horford in the lineup, the Warriors tried out a variety of lineups, many of which had limited effectiveness.
—Joseph Dycus, Mercury News, 25 Oct. 2025
Years of economic turmoil have eroded the military’s effectiveness, leading to declining troop conditions and challenges with equipment maintenance.
—Amanda Castro, MSNBC Newsweek, 24 Oct. 2025
Chemical weed controls can lose their effectiveness in killing weeds, too, so instead of finding a solution to having fewer weeds, more problems to tackle could be created.
—Lauren David, Southern Living, 24 Oct. 2025
First thing was cost effectiveness.
—Victoria Gomelsky, Robb Report, 24 Oct. 2025
The City of Cincinnati is planning to investigate the leadership effectiveness of Police Chief Teresa Theetge, according to councilmember Seth Walsh.
—Alexis Martin, Cincinnati Enquirer, 23 Oct. 2025
Officials have also offered few details about the pilots’ effectiveness in assisting enrollees in Medicaid or other public benefit programs.
—Rae Ellen Bichell, CNN Money, 22 Oct. 2025
Recent Examples of Synonyms for effectiveness
Noun
-
For example, in obesity trials, the efficacy of Eli Lilly's pill appeared to come in slightly below that of Novo Nordisk's oral semaglutide.—
Annika Kim Constantino,Bertha Coombs,
CNBC,
21 Oct. 2025
-
Under the new law, counties can continue to harvest data about the efficacy of their own CalFresh programs.—
CalMatters,
Mercury News,
20 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
-
In the wake of the gambling scandal sweeping the NBA this week, the NFL sent out two memos — the subject of one was league and club staff, and the other was players — both obtained by The Athletic, to remind players, coaches and league personnel of the importance of adhering to its gambling policy.—
Saad Yousuf,
New York Times,
25 Oct. 2025
-
The images reminded him of the importance of travel and capturing the special moments and experiences along the way.—
Jack Beresford,
MSNBC Newsweek,
24 Oct. 2025
Noun
-
With its investments in AI infrastructure and obvious strengths on the power front, this is a country that is building out data centers and positioning itself as a hub for AI, entertainment, sports, finance, high-tech manufacturing and more.—
Diane Brady,
Fortune,
27 Oct. 2025
-
Castelion claims that its mission is rooted in the belief that freedom must be actively protected – through technological strength, strategic clarity, and national resolve.—
Prabhat Ranjan Mishra,
Interesting Engineering,
27 Oct. 2025
Noun
-
Whereas other manufacturers of the same size and in the same categories have focused more on production and less on marketing and media, Sharkey said White Oak was keenly aware of its significance.—
Angela Velasquez,
Sourcing Journal,
21 Oct. 2025
-
And its significance cannot be fixed.—
Karl Ove Knausgaard,
New Yorker,
21 Oct. 2025
Noun
-
But last week, the company was declared a transnational criminal organization by United States authorities, and Chen was charged in absentia in New York with money laundering conspiracy and wire fraud conspiracy, along with several associates.—
Helen Regan,
CNN Money,
25 Oct. 2025
-
The man and his uncle were on their way to a home remodeling job when immigration authorities attempted to stop their truck in his Avondale neighborhood.—
Arizona Republic,
AZCentral.com,
25 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 29 Oct. 2025.
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