Pronunciation: (thôr'nē), [key]
—adj., thorn•i•er, thorn•i•est.
1. abounding in or characterized by thorns; spiny; prickly.
3. overgrown with thorns or brambles.
4. painful; vexatious: a thorny predicament.
5. full of difficulties, complexities, or controversial points: a thorny question.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.