as in obdurateness
a steadfast adherence to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion
thanks to his pertinaciousness, he eventually succeeded where all others had failed
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for pertinaciousness
Noun
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Growing power demand in China and the sheer size of the country’s market showcased what appeared to be countervailing trends — the persistence of coal, and the rise of renewables.—
Prashant Rao,
semafor.com,
5 Feb. 2026 -
Some educators worry the overuse and misuse of AI programs could decrease students' ability to think critically and independently or to have persistence when attempting to solve complex problems.—
Dan Raby,
CBS News,
4 Feb. 2026
Noun
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The Home Service Insurance segment experienced a decline in premiums, attributed to strategic actions to improve sales quality and persistency, as well as economic pressures such as inflation.—
Quartz Intelligence Newsroom,
Quartz,
13 Mar. 2025
-
The tannins are well structured yet soft and the wine has great persistency in the finish.—
Mike DeSimone and Jeff Jenssen,
Robb Report,
2 May 2023
Noun
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In the weeks since the arson attack, Beth Israel has been supported by neighbors and people of different backgrounds and beliefs who have stood together with compassion and resolve.—
Lindsay Baach Friedmann,
Time,
13 Feb. 2026
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Then, came the party meeting where Starmer impressed many with his sense of resolve.—
Jill Lawless,
Chicago Tribune,
10 Feb. 2026
Noun
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What was your personal experience with his stubbornness?—
Ryan Lattanzio,
IndieWire,
30 Jan. 2026
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The shadow is stubbornness or emotional defensiveness.—
Dossé-Via Trenou,
Refinery29,
29 Jan. 2026
Noun
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There is no reason, besides intransigence, that City Hall can’t do the same.—
Kate Callen,
San Diego Union-Tribune,
30 Jan. 2026
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In fact, that summit seemed initially to have backfired for Russia, with Trump growing increasingly frustrated with Moscow’s intransigence.—
Clare Sebastian,
CNN Money,
27 Jan. 2026
Noun
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The natural obstinacy and rebelliousness of Israa’s teenage years are hyperaccelerated by culture clashes with both her family and the other kids around her.—
Bilge Ebiri,
Vulture,
24 Jan. 2026
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The White House does not seem to have a workaround to Putin’s obstinacy, and Rubio told Hannity that all other parties seeking to end the conflict are hopeless.—
Timothy Nerozzi,
The Washington Examiner,
3 Dec. 2025
Noun
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China has gained, not suffered, from this obduracy.—
JONATHAN A. CZIN,
Foreign Affairs,
25 Nov. 2025
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Related: ‘Neglected diseases’ are anything but neglected by the billion-plus people living with them One possible reason for this obduracy is that noma begins as a dental disease, and dental diseases have long been underappreciated global health concerns.—
John Button,
STAT,
16 Dec. 2023
Noun
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Her determination, her grit, her willingness to get her hands dirty, really shows on the screen.—
Tatiana Siegel,
Variety,
11 Feb. 2026
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The 2009 Environmental Protection Agency endangerment finding was a determination that pollutants from developing and burning fossil fuels, such as methane and carbon dioxide, can be regulated under the Clean Air Act.—
Camila Domonoske,
NPR,
11 Feb. 2026
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Cite this Entry
“Pertinaciousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pertinaciousness. Accessed 15 Feb. 2026.
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