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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.

The public site for Oxford Reference Online - the biggest, most up-to-date, authoritative, and accessible reference work in the world. This huge resource contains almost 2 million words and phrases from Oxford

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

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...

Timelines and study guides for ancient civilizations, signed general interest articles on scientific findings in archaeology, a blog on archaeology issues, photo essays on archaeological sites, current archaeology digs, book reviews, puzzles, a guide...

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

From Britannica, explore the most trusted online kids encyclopedia for homework help and general knowledge information on a variety of subjects like science, history, the arts, math, etc.

The Free Online English Dictionary from Macmillan Publishers.

Oxford Advanced Learner

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...