Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
2018 Global Go To Think Tank Index Report
World’s leading digital dictionary. Provides millions of English definitions, spellings, audio pronunciations, example sentences, and word origins. Main proprietary source is Random House Unabridged Dictionary, continually updated by experts. You can look for definitions, but also for synonyms.
Regularly updated free online dictionary
Includes the main A-Z listing of the Collegiate Dictionary, as well as the Abbreviations, Foreign Words and Phrases, Biographical Names, and Geographical Names
Free online bilingual dictionaries for English to many other languages
Thesaurus.com is the world's largest and most trusted free online thesaurus brought to you by Dictionary.com.
Every word, phrase, phrasal verb, and individual meaning in the "Macmillan Dictionary" has a corresponding entry in the Thesaurus,
Merriam Webster Thesaurus
Search more than 275,000 synonyms, antonyms, related words, and idiomatic phrases. Find concise definitions pinpointing the meaning shared by synonyms, and sample sentences showing how words are used in context.