adj. & n.
--adj. (sturdier, sturdiest)
1. robust; strongly built.
2 vigorous and determined (sturdy resistance).
--n. vertigo in sheep caused by a tapeworm larva encysted in the brain.
Derivatives:
sturdied adj. (in sense of n.). sturdily adv. sturdiness n.
Etymology: ME 'reckless, violent', f. OF esturdi, estourdi past part. of estourdir stun, daze ult. f. L ex EX-(1) + turdus thrush (taken as a type of drunkenness)