excursus (noun) excursus: digression
Sinonime: backbone, constancy, durableness, endurance, grit, guts*, gutsiness, hard as nails,
heart*, imperishability, intestinal fortitude, lastingness, moxie*, permanence,
persistence,
stamina, starch, staying power, stick-to-itiveness
Antonime: impermanency, poorness, unreliability,
weakness