The Merriam-Webster Dictionary

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 today
• Includes 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.