/ Dictionary / Index L luculent: Meaning and Definition of Find definitions for: lu•cu•lent Pronunciation: (l'kyoo-lunt), [key] — adj. clear or lucid: a luculent explanation. convincing; cogent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: luculent (Thesaurus) lucubration Lucullan Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language