spiny adj : 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" [syn: {barbed}, {barbellate}, {briary}, {briery}, {bristled}, {bristly}, {burred}, {burry}, {prickly}, {setose}, {setaceous}, {thorny}] [also: {spiniest}, {spinier}] spiniest See {spiny}