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Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

Free online English dictionary from Oxford, plus thesaurus, word of the day, resume examples, letter writing, and English grammar

YourDictionary is a free online dictionary that offers definition search from Webster's dictionary for word meanings and thesaurus. Use this dictionary search as a crossword or scrabble dictionary. Also find legal dictionary, technical words, glossar...

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Oxford Advanced Learner

The Free Online English Dictionary from Macmillan Publishers.

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The authoritative Collins dictionaries now available online. Search amongst hundreds of thousands of words and expressions in Spanish, French, German, Italian, Chinese, Portuguese, Russian and synonyms dictionaries.

Memidex is a free online dictionary and thesaurus with extensive cross-referencing, complete inflections, simple interface, and frequent updates. It

The largest and most trusted free online thesaurus. Quickly find accurate and up-to-date synonyms, antonyms, and related words at Thesaurus.com. Synonym dictionary, antonym dictionary, words synonyms.