sturdy (adjective) sturdy: solid, durable
Sinonime: athletic, built to last,
bulky,
determined,
firm,
flourishing, hardy,
hearty,
hefty, hulking, husky, lusty,
muscular,
powerful, powerhouse,
resolute,
robust,
rugged,
secure,
sound,
stalwart,
staunch,
steadfast,
stiff,
stout, stouthearted, strapping,
strong, strong-arm,
substantial,
tenacious,
tough,
unyielding,
vigorous, well-built, well-made
Antonime: unstable,
weak, wobbly