vigorous

adjective

1 the child was strong and vigorous:

robust, healthy, in good health, hale and hearty, strong, strong as an ox/horse/lion, sturdy, fine, fit, in good condition, in tip-top condition, in good shape, in good trim, in good kilter;

hardy, tough, athletic, strapping, able-bodied;

bouncing, thriving, flourishing, blooming;

energetic, lively, active, spry, sprightly, perky, playful, jaunty, vivacious, animated, spirited, high-spirited, dynamic, vibrant, full of life, vital, sparkling, effervescent, zestful, buoyant, tireless, indefatigable;

informal go-getting, zippy, peppy, bouncy, upbeat, full of vim, full of beans, raring to go, bright-eyed and bushy-tailed, in the pink, fit as a fiddle;

Northern English, informal wick;

North American, informal chipper.

▷antonyms frail, weak.

2 a vigorous defense of government policy:

strenuous, powerful, potent, forceful, forcible, spirited, mettlesome, determined, resolute, aggressive, eager, keen, active, enthusiastic, zealous, ardent, fervent, vehement, intense, intensive, passionate, fiery, wild, unrestrained, uncontrolled, unbridled;

tough, blunt, hard-hitting, pulling no punches;

informal all-out, punchy, in-your-face.

▷antonyms weak, feeble.