The Czech Dictionary (Čeština) is a completion dictionary designed specifically for use with the Hacker's Keyboard on Android devices. It is a free program that falls under the Business & Productivity category. The dictionary is based on the Czech National Corpus word frequency list from the Faculty of Arts at Charles University in Prague. It was contributed by Martin Ratajský and created using comparative frequency lists from the Czech National Corpus.

This dictionary offers a comprehensive list of Czech words and their meanings, making it an essential tool for anyone looking to improve their Czech language skills. It is easy to use and navigate, and the fact that it is free makes it accessible to all. Overall, the Czech Dictionary (Čeština) is a highly recommended tool for anyone looking to improve their understanding of the Czech language.