sturdy

adj

1. stalwart, stout, rugged, hefty, husky, burly, iron, solid, tough, yeomanly, Scot. buirdly, Scot, and North Eng. stiff, Inf. tough as nails, Inf. hard as rock; muscular, muscled, well-muscled, full-muscled, strong, brawny, strapping, broad-shouldered, powerfully-built, herculean, musclebound; powerful, mighty, Literary. puissant; able, able-bodied, athletic, sinewy, well-knit; robust, vigorous, full of vigor, hardy, hearty, hale and hearty, hale, lusty, strong and healthy, bursting with health or vigor; sound, healthy, in good health, fit, physically fit, in fine fettle, in good condition, Inf. in good shape, Inf. in shape.

2. sound, stout, solid, substantial, well-built, well-made, well-constructed; hard, heavy, tough, durable, long-lasting, lasting, made to last.

3. firm, staunch, steadfast, doughty, tenacious; uncompromising, unyielding, inexorable, intransigent; resolute, resolved, determined, decided, fixed; unflinching, unswerving, unwavering, undeviating, unshrinking, unbending, unfaltering, unhesitating; stubborn, obstinate, pertinacious; indefatigable, tireless, untiring, unflagging, unwearying, enduring, staminal; indomitable, invincible, unconquerable, defiant, resistant, resisting; mettlesome, plucky, gritty, game, spirited, red-blooded, Inf. spunky.

4. brave, courageous, valiant, valorous, heroic, herolike, stout-hearted, ironhearted, lionhearted, greathearted, Archaic. stalworth; virile, manly, manful, masculine, gallant, chivalrous, chivalric; intrepid, fearless, dauntless, aweless, dreadless, undaunted, unalarmed, undismayed, unappalled, unblenched; bold, daring, dashing, audacious, adventurous, bold-spirited, high-spirited