Spiny

a.	1.	Full of spines; thorny; as, a spiny tree.
	2.	Like a spine in shape; slender.
	3.	Fig.: Abounding with difficulties or annoyances. The spiny deserts of scholastic philosophy. - Bp. Warburton. Spiny lobster (Zool.) Same as Rock lobster, under Rock. See also Lobster.
n.	1.	See Spinny.

Adj.

1.

spiny - having or covered with protective barbs or quills or spines or thorns or setae etc.; "a horse with a short bristly mane"; "bristly shrubs"; "burred fruits"; "setaceous whiskers" Synonyms: barbellate, briary, briery, bristled, burred, burry, setaceous, setose, thorny, prickly, bristly, barbed

Herculean, abstruse, acanthoid, acanthous, acicular, acuate, aculeate, aculeiform, acuminate, acute, arduous, barbed, brutal, complex, cornuted, critical, cusped, cuspidate, delicate, demanding, difficile, difficult, exacting, formidable, hairy, hard, hard-earned, hard-fought, hispid, horned, horny, intricate, jawbreaking, knotted, knotty, laborious, mean, mucronate, needle-pointed, needle-sharp, nettlesome, no picnic, not easy, operose, pointed, prickly, pronged, rigorous, rough, rugged, set with thorns, severe, sharp-pointed, spiculate, spiked, spiky, spined, spinous, steep, strenuous, tapered, tapering, thorny, ticklish, tined, toilsome, toothed, tough, tricky, unbated, uphill, wicked