The Eleventh Edition of America's Best-Selling Dictionary defines the current, active vocabulary of American English and is updated on an ongoing basis. Features more than 225,000 definitions and over 42,000 usage examples. Includes newly added words and meanings across a variety of fields including technology, entertainment, health, science, and society.

Special sections include A Handbook of Style, Foreign Words and Phrases, Biographical Names, and Geographical Names.

New words include: bestie, truther, Bitcoin, listicle, binge-watch, ransomware, takeaway, woke, hack, clickbait, and immersive.

Includes a free one-year online subscription to Merriam-Webster Unabridged.com.