/ Dictionary / Index L lady-killer: Meaning and Definition of Find definitions for: la•dy-kill•er Pronunciation: (lā'dē-kil"ur), [key] — n. Informal. a man who is irresistible to women or has the reputation for being so. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lady-killer (Thesaurus) lady-in-waiting ladykin 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