/ Dictionary / Index W world-class: Meaning and Definition of Find definitions for: world-class Pronunciation: (wûrld'klas', -kläs'), [key] — adj. ranking among the world's best; outstanding: a world-class orchestra. attracting or comprising world-class players, performers, etc.: a world-class tennis tournament. being a notorious example of its kind: a world-class slob. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: world-class (Thesaurus) world car World Communion Sunday Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language