/ Dictionary / Index L lief: Meaning and Definition of Find definitions for: lief Pronunciation: (lēf), [key] — adv. gladly; willingly: I would as lief go south as not. —adj. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lief (Thesaurus) lie-down liege 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