/ Dictionary / Index G great lobelia: Meaning and Definition of Find definitions for: great' lobel'ia Pronunciation: [key] a North American plant, Lobelia siphilitica, having long, showy clusters of blue flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. great laurel greatly Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language