Definition of Pertinacious

firm on achieving a task

Examples of Pertinacious in a sentence

The pertinacious girl would not stop trying to sell cookies to the toothless man.  🔊

Because I am pertinacious, I will not stop until I have achieved my goals.  🔊

The pertinacious actress chained herself to a tree to bring attention to her environmental fight.  🔊

Although Elise has failed her driver’s test six times, her pertinacious spirit will not allow her to stop trying.  🔊

Only the most pertinacious competitors will finish the grueling twenty-three mile marathon.  🔊

After forty years, the pertinacious detective finally caught the killer.  🔊

The pertinacious debater would not back down from the argument.  🔊

Even when the pertinacious athlete fell out of his wheelchair, he continued to crawl towards the finish line.  🔊

Jack is a pertinacious salesman who refuses to leave a home without a sale.  🔊

Since Helen is pertinacious about graduating with honors, she has been studying for her exams every night for three weeks.  🔊

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