The WordNet Dictionary and Thesaurus is a large lexical database of English with up to 140,000 entries and more than 1.4 million words, developed by the Cognitive Science Laboratory at Princeton University
American Idioms Dictionary - Shape up your English with thousands of idioms! Whether you are a learner of English who is having difficulty understanding expressions in everyday speech or a native speaker who wants to expand your written or spoken range, you need a comprehensive reference for idioms, common phrases, and sayings of American English
Audio Cambridge Dictionary of American English Based on the world's largest corpus of American English, the Cambridge Dictionary of American English provides up-to-date vocabulary, easy-to-understand definitions, helpful usage notes, and examples that show how English is really used. The second edition offers advanced search features and a thesaurus
The Cambridge School Dictionary is the perfect study companion for students studying other subjects through English. It includes vocabulary from all the main CLIL and International GCSE topics - from biology to economics and from IT to literature - to give you the confidence and support you need to learn in English, whatever the subject
Burton's Legal Thesaurus (iPhone/iPad) 3.08 - After twenty-five years as the standard-bearer of legal terminology, Burton's Legal Thesaurus continues to be an essential reference tool. In law, precision and accuracy is vital. This fourth edition contains more entries than ever before, including cutting-edge terms unique to today's legal profession
Collins English Dictionary and Thesaurus Complete & Unabridged - The Collins English Dictionary 2010 Complete & Unabridged and the Collins Thesaurus of the English Language 2010 in a software bundle offering a complete language and reference solution for writing, for work, for study, because you want to express yourself well, or just for the love of words
Collins English Dictionary Unabridged (iPhone/iPad) - Search over 500,000 English words, references and examples in this 30th anniversary edition of the Collins’ flagship dictionary. Collins English Dictionary 2010 Complete and Unabridged is not only comprehensive and authoritative, but also offers outstanding coverage of world, regional and dialect English
Collins Essential Thesaurus (iPhone) - The Collins Essential Thesaurus is the ideal reference for home, school, and the office. With over 40,000 references and a huge choice of opposites, the Thesaurus enables you to use words with precision and confidence
