A free program for Android, by MobiSystems.

This Android app contains the world’s most widely used dictionary, the Concise Oxford English Dictionary, as well as the Concise Oxford Thesaurus.

If you want to make sure that you always have the right word, whether you are writing a letter, preparing a report, composing an essay, writing creatively, or solving a crossword, then the Oxford English Dictionary and Thesaurus are the perfect tools to help you out.

The Concise Oxford English Dictionary is the world’s most popular dictionary and has been for over 100 years. It contains over 300,000 words and is easy to use, with an interface that is both functional and intuitive. It also includes advanced search and language tools that have become the staple of quality language apps from MobiSystems, Inc.

The Oxford English Dictionary and Thesaurus are part of the Oxford University Press lexicography collection.