indefatigability

dedication determination endurance grit moxie persistence spunk stamina steadfastness tenacity

backbone constancy continuance doggedness drive follow through guts immovability pertinacity pluck purposefulness pursuance resolution sedulity

prolonging stick-to-itiveness

apathy cowardice indifference irresolution weakness

idleness indolence laziness lethargy

endurance grit perseverance stamina tenacity

constancy doggedness follow-through pluck resolution

apathy laziness lethargy weakness

idleness indifference indolence

endurance energy fortitude grit resilience staying power vitality

backbone force guts gutsiness heart legs lustiness moxie power resistance starch tolerance toleration vim zip

intestinal fortitude power of endurance

cowardice lethargy weakness

fear incompetence powerlessness

apathy lack laziness