abel='example sentence:'>//the boxer's early bouts were
cheap wins, but now he's moving up to the top ranks of boxing
downhill, easy, effortless, facile, fluent, fluid, hands-down, light, painless, ready, royal, simple, smooth, snap, soft apparent, clear, clear-cut, distinct, evident, manifest, obvious, open-and-shut, palpable, patent, perspicuous, plain, transparent, unambiguous, unequivocal, unmistakable arduous, demanding, difficult, exacting, formidable, grueling (
or gruelling)
, hard, herculean, killer, labored, laborious, murderous, rough, severe, stiff, strenuous, toilful, toilsome, tough