/ Dictionary / Index L lead-up: Meaning and Definition of Find definitions for: lead-up Pronunciation: (lēd'up"), [key] — n. something that provides an approach to or preparation for an event or situation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lead-up (Thesaurus) lead tree Leadville 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