Definition of thorny:
frothy, waspish, brambly, gilt, gold-plated, cobbled, touchy, smooth, briary, intractable, furry, grass, mordacious, delicate, burred, difficult, hard, tricksy, soft, pricky, echinate, easy, pungent, barbellate, stinging, spiny, foamy, pain, sticky, setose, nipping, armed, intolerable, perplexing, dodgy, briery, setaceous, hairy, catchy, nettlesome, sensitive, barbed, prickly, burry, gift-wrapped, gilded, bristly, splenetic, problematic, nasty, biting, critical, awkward, armor-plated, bristled, impossible, testing.
difficult (part of speech: adjective)
- sharp (part of speech: adjective)
- "Sages and Heroes of the American Revolution", L. Carroll Judson.
- "Otto of the Silver Hand", Howard Pyle.
- "The Chronicles of Clovis", Saki.