[ noun ] persistent determination

Used in print

(S. J. Perelman, The Rising Gorge. New York:...)

The foregoing , aided by several clues I 'll withhold to keep you on_your_toes , will pursue you with a tenacity worthy of Inspector_Javert , but before they close_in , gird yourselves , I repeat , for a vengeance infinitely more pitiless .

Related terms

determination persevere