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Lookup definitions for any English term Source


Wordbook is an offline English-English dictionary application built for GNOME using the Open English WordNet database for definitions and the reliable eSpeak for pronunciations (both audio and phoneme).


  • Fully offline after initial data download
  • Random Word
  • Live Search
  • Double click to search
  • Custom Definitions feature using Pango Markup or an HTML subset for formatting
  • Support for GNOME Dark Mode and launching app in dark mode.



GTK3/libadwaita until 0.2.0, GTK 4 since, will also use libadwaita with next release.

Project links: Links to (pages with) screenshots:


Mobile Fit: 5

Perfect - this app fits your phone screen just fine out of the box and works nicely with touch input!

 This app is (according to its appstream metadata or description) intended to be compatible with mobile devices.


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By Category: dictionary

By FreeDesktop-(Additional-)Category: GTK GNOME TextTools Dictionary

Licensing and technical details

License: GPL-3.0-or-later Metadata: CC0-1.0

Frameworks: GTK4

Programming languages: Python

Build system: meson

AppStream Metadata URL: https://raw.githubusercontent.com/mufeedali/Wordbook/main/data/dev.mufeed.Wordbook.metainfo.xml.in