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the quality of having determination to continue doing or believing something in spite of any opposition or hardships
- Her pertinacity in pursuing her dream career was truly inspiring.
- The team's pertinacity paid off when they finally completed the challenging project.
- Despite numerous setbacks, her pertinacity in achieving her goals never wavered.
- The student's pertinacity in studying for the exam resulted in a top score.
- The writer's pertinacity through countless rejections finally led to a successful book publication.