/ Dictionary / Index L LF: Meaning and Definition of Find definitions for: LF Pronunciation: [key] See lf Pronunciation: [key] left field. left fielder. lightface. lf. Pronunciation: [key] left field. left fielder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lf (Thesaurus) Lezghian lfb 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