In good health
sound, trim, all right, normal, robust, hale, vigorous, well, hearty, husky, athletic, stout, lusty, rosy-cheeked, potent, hardy, able-bodied, virile, muscular, blooming, sturdy, safe and sound, in good condition, in sound condition, combat-ready, in full possession of one's faculties, in good health, enjoying good health, possessing good health, full of pep, never feeling better, as well as can be expected, bursting with health, fresh, of a sound constitution, whole, healthful, firm, stout, unimpaired, buxom, lively, undecayed, flourishing, good, ruddy, cured, fit, clear-eyed, plump, full of life and vigor, spirited, in fine fettle, burly, restored, tough, youthful, sound of wind and limb, free from disease, free from infirmity, in fine whack*, fine*, bobbish*, at the peak of good health*, fine and dandy*, hunky-dory*, chipper*, in good shape*, sound as a bell*, in fine feather*, in the pink*, rugged*, fit as a fiddle*, sound as a dollar*, looking like a million*, fit and fine*, full of beans*, feeling one's oats*, hard as nails*; see also sane 1, strong 1.
Antonyms unhealthy*, ill, diseased.