#1 thorny s. bristling with perplexities; "the thorny question of states' rights". wn
#2 thorny s. [barbed, barbellate, briary, briery, bristled, bristly, burred, burry, prickly, setose, setaceous, 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". wn
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