/ Dictionary / Index W world's oldest profession: Meaning and Definition of Find definitions for: world's' old'est profes'sion Pronunciation: [key] prostitution. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. world-shaking world soul Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language