1
as in persistent
continuing despite difficulties, opposition, or discouragement
a pertinacious little boy who was determined to catch and collect reptiles
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in stubborn
sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion
a pertinacious salesman who would simply not take "No!" for an answer
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of pertinacious
But Kerry, the pertinacious diplomat and former Massachusetts senator, sees too much to do — and insisted in an interview with The Boston Globe there is too much to possibly achieve — to quit just yet.
—
Jess Bidgood,
BostonGlobe.com,
26 Feb. 2023
Barletta’s pertinacious reputation on immigration, from his time as mayor of Hazleton to his four terms in the U.S. House, is at center stage this year in his campaign to defeat Sen. Bob Casey’s bid for a third term.
—
Chris Brennan,
Philly.com,
25 June 2018
Jess Bidgood,
BostonGlobe.com,
26 Feb. 2023
Barletta’s pertinacious reputation on immigration, from his time as mayor of Hazleton to his four terms in the U.S. House, is at center stage this year in his campaign to defeat Sen. Bob Casey’s bid for a third term.
—
Chris Brennan,
Philly.com,
25 June 2018
Recent Examples of Synonyms for pertinacious
Adjective
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The launch includes five solution categories—Restaurant Assistant, Packer, Picker, Folder, and Host—targeting persistent labor shortages in sectors such as industrial operations, logistics, healthcare, food services, lodging, and experiential venues.
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Why is this padding so persistent?
Adjective
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The weather service’s forecast discussion for Kansas City said the stubborn heat could last through the Fourth of July.
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Against all odds, the stubborn housing market has become a hotspot for young talent.
Adjective
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The loud and insistent residents of Monterey Park showed that shaming and pressuring politicians can work.
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What most interests me about The Emergency Playbook is how, beneath the sunny tone, there’s a calm but insistent moral outrage on display.
Adjective
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While waiting to go to court, Zaayer remained adamant that Shawna needed to go to prison but was also convinced that David — who worked at the nearby jail — was protecting his wife from receiving an adequate punishment, per The Guardian.
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But Senate Majority Leader John Thune (R-SD) has been adamant that there are not enough votes in the Senate to pass the legislation, given the 60-vote filibuster threshold.
Adjective
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England’s fierce attacks in the second half were thwarted by a resolute American defense and a series of saves by goalkeeper Frank Borghi.
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Spielberg has been resolute in his beliefs since before Disclosure Day entered production.
Adjective
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The Federal Reserve’s steadfast period of low interest rates in the 2000s was criticized as contributing to a housing bubble in the 2000s, followed by the mortgage crisis of 2007 and the Great Recession the following year.
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With the almighty Sun highlighting your 7th House of Partnership, commitments benefit from structure that includes realistic timelines and steadfast follow-through.
Cite this Entry
“Pertinacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pertinacious. Accessed 5 Jul. 2026.
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