built to last

bulky hearty hulking muscular powerful robust rugged stiff stout strapping strong

athletic determined firm flourishing hardy hefty husky lusty powerhouse resolute secure sound stalwart staunch steadfast stouthearted strong-arm substantial tenacious tough unyielding vigorous well-built well-made

calm delicate easy feeble flabby infirm mild moderate skinny small soft thin tiny unhealthy weak

unstable wobbly