/ Dictionary / Index L late-night: Meaning and Definition of Find definitions for: late-night Pronunciation: (lāt'nīt"), [key] — adj. of or occurring late at night: a late-night TV talk show. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. La Tène latensify Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language