A Revised And Updated Edition Of The Best-selling Dictionary Covering Core Vocabulary With Over A Hundred New Entries And Senses. More Than 75,000 Definitions And 8,000 Usage Examples Aid Understanding--and Cover The Words You Need Todayincludes Pronunciations, Word Origins, And Synonym Lists Features Useful Tables And Special Sections On Foreign Words & Phrases And Geographical Names new Words Include: Athleisure, Coronavirus, Escape Room, First Gentleman, Herd Immunity, Hygge, On-brand, Outro, Patient Zero, Petrichor, Ppe, Telehealth, Unmute, Ux, And Youtuber.