1
as in decisiveness
firm or unwavering adherence to one's purpose
a woman of remarkable firmness in the achievement of the goals she has set for herself
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in reliability
the ability to withstand force or stress without being distorted, dislodged, or damaged
test the firmness of the concrete before parking the car on it
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of firmness
Via a cocktail of vitamin C and the antioxidant properties of ferulic acid and vitamin E, this Vogue Verified vitamin C serum delivers environmental protection, reduces fine lines and wrinkles, improves firmness, and brightens.
—
Akili King, Vogue, 10 Sep. 2025
This serum, which uses moisturizer proxylane to increase elasticity and firmness, is worth the splurge.
—Jackie Fields, PEOPLE, 9 Sep. 2025
Saatva notes that the firmness adjustment is perfect for anyone who has joint pain, is recovering from an injury, or pregnant.
—Yelena Moroz Alpert, Architectural Digest, 29 Aug. 2025
Its curved shape also ensured support for hours on end, courtesy of a balanced approach to firmness and plushness.
—Stacia Datskovska, Footwear News, 27 Aug. 2025
Each side can be adjusted to preferred levels of firmness, and the entire unit responds to movement to keep your sleeping experience consistent.
—Shea Simmons, People.com, 27 Aug. 2025
Hotel pillows tend to have a medium firmness level, just like hotel mattresses.
—Tessa Cooper, Better Homes & Gardens, 26 Aug. 2025
The firmness of the extension also supports P-spot pleasure, as the zone typically responds well to pressure.
—Gabrielle Kassel, Glamour, 11 Aug. 2025
Akili King, Vogue, 10 Sep. 2025
This serum, which uses moisturizer proxylane to increase elasticity and firmness, is worth the splurge.
—Jackie Fields, PEOPLE, 9 Sep. 2025
Saatva notes that the firmness adjustment is perfect for anyone who has joint pain, is recovering from an injury, or pregnant.
—Yelena Moroz Alpert, Architectural Digest, 29 Aug. 2025
Its curved shape also ensured support for hours on end, courtesy of a balanced approach to firmness and plushness.
—Stacia Datskovska, Footwear News, 27 Aug. 2025
Each side can be adjusted to preferred levels of firmness, and the entire unit responds to movement to keep your sleeping experience consistent.
—Shea Simmons, People.com, 27 Aug. 2025
Hotel pillows tend to have a medium firmness level, just like hotel mattresses.
—Tessa Cooper, Better Homes & Gardens, 26 Aug. 2025
The firmness of the extension also supports P-spot pleasure, as the zone typically responds well to pressure.
—Gabrielle Kassel, Glamour, 11 Aug. 2025
Recent Examples of Synonyms for firmness
Noun
-
Letting go of the urge to justify decisions frees up time, sharpens focus and models decisiveness.—
Expert Panel®,
Forbes.com,
11 Sep. 2025
-
The decisiveness of Canberra’s actions is a measure of the extremity of Iran’s behavior.—
Arash Azizi,
The Atlantic,
28 Aug. 2025
Noun
-
This reliability could speed up the shoe design cycle and reduce costs, while giving developers a clearer picture of real-world performance.—
Aamir Khollam,
Interesting Engineering,
16 Sep. 2025
-
That means solar facilities, wind farms, batteries and even residential devices can be aggregated, synchronized and aligned with the reliability needs of the overall grid.—
Alvaro Rozo,
Forbes.com,
16 Sep. 2025
Noun
-
Secretary of State Marco Rubio made that determination earlier this year, citing Khalil's advocacy.—
Robert Alexander,
MSNBC Newsweek,
18 Sep. 2025
-
What’s proven to work well in practice in that local climate zone (search results provide enough clarification for one to swiftly make that determination) is what’s needed.—
Richard Olsen,
Forbes.com,
17 Sep. 2025
Noun
-
Meanwhile, King Charles — an apolitical head-of-state — is more concerned with giving the president a royal treatment as Downing Street hopes to find diplomatic stability with the volatile administration.—
Timothy Nerozzi,
The Washington Examiner,
17 Sep. 2025
-
By solving MXene’s stability problem and suppressing chloride corrosion, the research delivers a material that balances conductivity, durability, and performance.—
Neetika Walter,
Interesting Engineering,
17 Sep. 2025
Noun
-
What To Know The basis of his decision, Greenfield said, was a long-running dispute with Unilever over the company's ability to pursue social justice and activist causes that were important to the founders.—
Hugh Cameron
Shane Croucher,
MSNBC Newsweek,
17 Sep. 2025
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One of the most recent cases includes the high court’s 2017 decision in Matal v Tam, in which the justices ruled that a law preventing trademarks of disparaging terms was unconstitutional under the First Amendment.—
Jack Birle,
The Washington Examiner,
17 Sep. 2025
Noun
-
Every individual brings unique needs, preferences and strengths.—
Cornelia C. Walther,
Forbes.com,
14 Sep. 2025
-
This new gel, however, manages to combine strength, healing, and sensing capabilities in one material, which is a rare feat.—
Christopher McFadden,
Interesting Engineering,
14 Sep. 2025
Noun
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Most cases of ear pressure resolve on their own, but there are times when medical attention is necessary.—
Daryl Austin,
USA Today,
12 Sep. 2025
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But the alternative would entail that each accuser has to separately litigate their claim of abuse in the Alameda County Superior Court, a lengthy process that attorneys said could wear out their clients’ resolve.—
Shomik Mukherjee,
Mercury News,
12 Sep. 2025
Cite this Entry
“Firmness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firmness. Accessed 18 Sep. 2025.
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