noun
- the quality of being determined to continue with something despite difficulties or opposition; stubborn persistence
Usage: formal
Examples
- Her pertinacity in pursuing the research project eventually led to a breakthrough.
- The lawyer’s pertinacity in cross-examining witnesses impressed the jury.
- Despite repeated rejections, his pertinacity in applying for jobs finally paid off.
- The student’s pertinacity in mastering calculus earned her the highest grade in class.
- The detective’s pertinacity in following every lead solved the cold case.
- His pertinacity sometimes bordered on stubbornness, making compromise difficult.