adj. stur·di·er, stur·di·est
1. Having or showing rugged physical strength or robust health: a sturdy lifeguard; a sturdy build.
2. Substantially made or built; able to withstand stress or rough use: a sturdy ladder; sturdy boots.
3. Marked by resoluteness or determination; firm: sturdy resistance.
[Middle English, fierce, valiant, disobedient, strong, from Old French estourdi, dazed, reckless, from past participle of estourdir, to stun, perhaps from Vulgar Latin *exturdīre, to be or act drunk like a thrush that has eaten fermented grapes or berries : Latin ex-, intensive pref.; see EX- + Latin turdus, thrush.]
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