See sturdy in Webster's New World Roget's A-Z Thesaurus II
adjective
Characterized by marked muscular development; powerfully built:
athletic, brawny, burly, husky2, muscular, robust, sinewy. See strongCapable of exerting considerable effort or of withstanding considerable stress or hardship:
hardy, stalwart, stout, strong, tough. See strongNot easily moved or shaken:
firm1, secure, solid, sound2, stable, strong, substantial, sure, unshakable. See continue, strongFull of vigor:
able-bodied, iron, lusty, red-blooded, robust, strapping, vigorous, vital. See strong
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