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 state spent more than $20 billion without uniform standards to measure effectiveness.
—
Julie Watts, CBS News, 27 Jan. 2026
Demonstrating the effectiveness of their tactical setup without the ball, Villa have only made more interceptions and ball recoveries in one other match this season.
—Jacob Tanswell, New York Times, 26 Jan. 2026
The researchers discovered that even when older and younger participants had similar numbers of true and false memories in a task, older adults showed lower decision effectiveness based on those memories.
—Mark Travers, Forbes.com, 26 Jan. 2026
For maximum effectiveness, be sure to take them both on a sunny day.
—Alyssa Brandt, New Yorker, 26 Jan. 2026
The key is to make these projects attractive from a perspective of predictability and cost-effectiveness, thus engaging for those deploying capital in the clean energy arena.
—Bridget Shirvell, Hartford Courant, 26 Jan. 2026
Along the way, Dempsey has increased his offensive output without suffering a drop in efficiency or effectiveness.
—Patrick Z. McGavin, Chicago Tribune, 24 Jan. 2026
Part of the reasoning behind the van was cost effectiveness and availability, Nguyen said.
—Andrew J. Campa, Los Angeles Times, 24 Jan. 2026
Hendrick noted the effectiveness of Evernham’s drills, dominating the battle on pit road and moving to the front on the margins.
—Hunter Bailey, Charlotte Observer, 23 Jan. 2026
Julie Watts, CBS News, 27 Jan. 2026
Demonstrating the effectiveness of their tactical setup without the ball, Villa have only made more interceptions and ball recoveries in one other match this season.
—Jacob Tanswell, New York Times, 26 Jan. 2026
The researchers discovered that even when older and younger participants had similar numbers of true and false memories in a task, older adults showed lower decision effectiveness based on those memories.
—Mark Travers, Forbes.com, 26 Jan. 2026
For maximum effectiveness, be sure to take them both on a sunny day.
—Alyssa Brandt, New Yorker, 26 Jan. 2026
The key is to make these projects attractive from a perspective of predictability and cost-effectiveness, thus engaging for those deploying capital in the clean energy arena.
—Bridget Shirvell, Hartford Courant, 26 Jan. 2026
Along the way, Dempsey has increased his offensive output without suffering a drop in efficiency or effectiveness.
—Patrick Z. McGavin, Chicago Tribune, 24 Jan. 2026
Part of the reasoning behind the van was cost effectiveness and availability, Nguyen said.
—Andrew J. Campa, Los Angeles Times, 24 Jan. 2026
Hendrick noted the effectiveness of Evernham’s drills, dominating the battle on pit road and moving to the front on the margins.
—Hunter Bailey, Charlotte Observer, 23 Jan. 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
-
The study also cites that there is no clear efficacy or safety data which can strongly point towards downstream physiologic and pathologic impacts.—
Forbes.com,
Forbes.com,
22 Jan. 2026
-
The first-of-a-kind brain-stimulation device approved to treat attention-deficit/hyperactivity disorder (ADHD) in the US has had its efficacy questioned, with scientists believing that its Food and Drug Administration (US) approval was based on too small a study.—
New Atlas,
New Atlas,
21 Jan. 2026
Noun
-
They’re designed for higher intensity workouts like road running, so they’re optimized with airy cushioning to absorb impact around your heels, the balls of your feet, your ankles, and knees.—
Clara McMahon,
PEOPLE,
22 Jan. 2026
-
The impact is most clearly seen in the price of gold, which advanced sharply last year, its best year in decades.—
Ken Roberts,
Forbes.com,
22 Jan. 2026
Noun
-
Acupuncture is considered a pseudoscience, as there is little scientific evidence to support the validity of its effects.—
BestReviews,
Mercury News,
21 Jan. 2026
-
Both pleaded not guilty and pursued several arguments to have their respective indictments dismissed, including the validity of Halligan's appointment and claims of vindictive prosecution.—
Jacob Rosen,
CBS News,
20 Jan. 2026
Noun
-
Sitting beside him, Europe’s leaders shrugged off the importance of the US to European security.—
Clare Sebastian,
CNN Money,
22 Jan. 2026
-
The Mean Girls actress candidly discussed the importance of the Academy Awards during an interview with The New Yorker, and gave a surprising response when asked if winning an Oscar was important to her.—
Wesley Stenzel,
Entertainment Weekly,
22 Jan. 2026
Noun
-
The strength of the Four Seasons brand provides immediate market confidence and often serves as a buyer’s first introduction to Telluride.—
Roger Sands,
Forbes.com,
23 Jan. 2026
-
The team’s went back to even strength, but the B’s were not done.—
Steve Conroy,
Boston Herald,
23 Jan. 2026
Noun
-
Please note that if a mental health condition of significance is truly at hand, relying on AI is not the way to proceed.—
Lance Eliot,
Forbes.com,
24 Jan. 2026
-
Tell me more about the Bay Area’s significance in cocktail history.—
Kate Bradshaw,
Mercury News,
23 Jan. 2026
Noun
-
Andrademembreno’s attorney, Paul Rogers, argued that Berrios lied and pointed to multiple inconsistent statements to authorities and prosecutors and in her testimony.—
City News Service,
Oc Register,
25 Jan. 2026
-
The risk of a partial government shutdown at the end of January grew more likely Saturday after Senate Democrats vowed to block a funding package over a fatal Minneapolis shooting involving federal law enforcement authorities.—
The Hill Staff,
The Hill,
25 Jan. 2026
Cite this Entry
“Effectiveness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectiveness. Accessed 27 Jan. 2026.
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