/ Dictionary / Index L lues: Meaning and Definition of Find definitions for: lu•es Pronunciation: (l'ēz), [key] — n. Pathol. syphilis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lues (Thesaurus) Luening luetic 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