/ Dictionary / Index T thorny: Meaning and Definition of Find definitions for: thorn•y Pronunciation: (thôr'nē), [key] — thorn•i•er, thorn•i•est. abounding in or characterized by thorns; spiny; prickly. thornlike. overgrown with thorns or brambles. painful; vexatious: a thorny predicament. full of difficulties, complexities, or controversial points: a thorny question. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thorny (Thesaurus) Thornton thoro Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language