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
-
Advertisement Though supporters have billed the measure as a symbolic gesture of budget-cutting resolve, the actual fiscal impact of the package is small.—
Nik Popli,
Time,
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
-
From discussing the cultural significance of luxury timepieces to beautifully showcasing black love, the SUEDE Men’s Experience is delivering authentic moments crafted perfectly for the contemporary man.—
John Lawson,
Essence,
7 July 2025
-
The significance of Ventura’s lawsuit will extend far beyond the trial, Burke, the founder of the #MeToo movement, previously told CNN.—
Lauren Mascarenhas,
CNN Money,
6 July 2025
Noun
-
Bell called on two friends and armed himself with an AK-47 rifle, authorities said.—
David Fischer,
Sun Sentinel,
15 July 2025
-
Saudi authorities originally planned for The Line to house 1.5 million residents by 2030.—
Amira El-Fekki,
MSNBC Newsweek,
15 July 2025
Noun
-
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
-
Their credibility, however, depends on the transparency of audits and asset backing.—
Geoff Ira,
Forbes.com,
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 20 Jul. 2025.
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