Synonyms and related words :
abetment, application, assiduity, assiduousness, bulldog tenacity, concentration, constancy, demandingness, diligence, dogged perseverance, doggedness, encouragement, endurance, engrossment, exigency, fidelity, goading, importunacy, importunateness, importunity, indefatigability, industriousness, industry, insistency, instance, loyalty, needling, obstinacy, patience, patience of Job, permanence, perseverance, persistence, persistency, pertinaciousness, pertinacity, plodding, plugging, preoccupation, pressing, pressingness, pressure, pricking, prodding, relentlessness, resolution, sedulity, sedulousness, single-mindedness, singleness of purpose, slogging, spurring, stability, stamina, staying power, steadfastness, steadiness, stick-to-itiveness, stubbornness, tenaciousness, tenacity, tirelessness, unremittingness, unswerving attention, urgency, urging