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
-
Like the probiotics claiming to heal your gut, vaginal ones haven’t undergone the stringent safety and efficacy testing necessary for FDA approval.—
Erica Sloan,
SELF,
7 July 2025 -
Testers considered performance across four primary categories: efficacy, texture and experience, fragrance, and packaging.—
Jennifer Hussein,
Allure,
30 June 2025
Noun
-
Federal Reserve boss Jerome Powell misses this point with his fussing about the possible impact of tariffs on prices.—
Steve Forbes,
Forbes.com,
15 July 2025
-
But city leaders do not believe the impacts necessitate declaring a state of emergency, which would redirect city workers to pick up residents’ trash.—
Tammy Murga,
San Diego Union-Tribune,
15 July 2025
Noun
-
One possibility that didn’t come up at the meeting: White could file a lawsuit questioning the validity of the signatures on the recall petitions.—
Mike Hendricks,
Kansas City Star,
11 July 2025
-
Recently, some researchers have questioned the validity of the glass cliff theory.—
Kim Elsesser,
Forbes.com,
10 July 2025
Noun
-
Interiors are thoughtfully designed but are of secondary importance to the exterior, according to Invictus.—
Rachel Cormack,
Robb Report,
15 July 2025
-
The issue was of great importance to the late Princess of Wales during what proved to be the final year of her life.—
Janine Henni,
People.com,
15 July 2025
Noun
-
So the issue now is time — time needed to build back his arm strength.—
Kevin Acee,
San Diego Union-Tribune,
11 July 2025
-
In America, excellence, grit, and determination is our strength.—
James Bickerton,
MSNBC Newsweek,
10 July 2025
Noun
-
For You The significance of the change in QSBS provisions goes beyond the founders, investors, and venture-capital firms involved in startups.—
Bruce Brumberg,
Forbes.com,
15 July 2025
-
Brazilians considered the capital city, which replaced Rio de Janeiro, a symbol of the nation’s future significance on the world stage.—
Emi Eleode,
Time,
14 July 2025
Noun
-
Judge Sean Jordan of the US District Court of Texas’ Eastern District found that the rule exceeded the bureau’s authority under the Fair Credit Reporting Act, agreeing with the arguments of two industry associations.—
Tami Luhby,
CNN Money,
15 July 2025
-
Bell called on two friends and armed himself with an AK-47 rifle, authorities said.—
David Fischer,
Sun Sentinel,
15 July 2025
Noun
-
Their credibility, however, depends on the transparency of audits and asset backing.—
Geoff Ira,
Forbes.com,
15 July 2025
-
The fallout has deepened divisions within conservative ranks, as prominent figures debate the credibility of the government's official narrative and the conduct of officials like Attorney General Pam Bondi, FBI Director Kash Patel and FBI Deputy Director Dan Bongino.—
Anna Commander,
MSNBC Newsweek,
15 July 2025
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Cite this Entry
“Effectiveness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectiveness. Accessed 22 Jul. 2025.
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