This vessel had been whaling in 256the southern seas during five years, without any adequate return for her perseverant exertions.
I accepted it on the presumption that I had talents, honesty, and propensities to perseverant effort.
mid-14c. (implied in perseverantly), from Middle French persévérant (12c.), present participle of persévérer (see persevere).
mid-14c., from Old French perseverance "persistence, endurance" (12c., Modern French persévérance) and directly from Latin perseverantia "steadfastness, constancy," from perseverantem (nominative perseverans), from perseverare (see persevere).