/ Dictionary / Index L lude: Meaning and Definition of Find definitions for: lude Pronunciation: (ld), [key] — n. Slang. Quaalude. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Luddite Ludendorff Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language