WordBook icon



Now available for Mac OS X on the Mac App Store

The all-time top paid iPhone/iPad dictionary app WordBook is now available on the Mac. WordBook is a comprehensive, quick and intuitive dictionary and thesaurus of the English language. It's a great combination of comprehensive contents and fast intuitive interface.

FEATURES that make WordBook stand out from other dictionary apps:

  • Professionally recorded pronunciation for every single entry
  • Word origin information (Etymologies)
  • Smart spelling suggestions
  • Favorite word management
1 Definitions
2 Terrific

WordBook main window showing definition for the word "language".

WordBook main window, preference window and pronunciation notation reference window.

1 Definitions 2 Terrific


  • 150,000 entries with more than 220,000 definitions
  • 70,000 usage samples
  • 39,000 word origins (etymologies)
  • 120,000 pronunciation guides (IPA)
  • 150,000 real human voice audios
  • Built-in thesaurus and word links
  • Browser-like content navigation with ability to tap on any word to view its definition.
  • Bookmark and history management


  • Mac OS X 10.6.6 or later
  • File size: 17MB