pertinacity Synonyms

tenacity resolve stubbornness perseverance persistence persistency doggedness pertinaciousness tenaciousness staunchness guts assiduousness sedulousness sedulity self-will stamina steadfastness staying power bullheadedness obstinance willfulness uncooperativeness single-mindedness opinionatedness obstinateness tirelessness hardheadedness mulishness mettlesomeness relentlessness purposefulness intransigence pigheadedness in compliance resolution resoluteness implacability immovability headstrongness grittiness grit fortitude firmness endurance diligence determination contumacy contrariness constancy importunacy