n. 25B6; noun
she pushed him beyond the limit of his endurance : TOLERATION, tolerance, sufferance, forbearance, patience, acceptance, resignation, stoicism.
the race is a test of endurance : STAMINA, staying power, fortitude, perseverance, persistence, tenacity, doggedness, grit, indefatigability, resolution, determination; informal stickability; formal pertinacity.