adj. 25B6; adjective
lusty young men : HEALTHY, strong, fit, vigorous, robust, hale and hearty, energetic; rugged, sturdy, muscular, muscly, strapping, hefty, husky, burly, powerful; informal beefy; dated stalwart.
lusty singing : LOUD, vigorous, hearty, strong, powerful, forceful.
feeble, quiet.