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Grammar and Style Resources

  1. A.Word.A.Day
  2. Acronym Finder - With more than 900,000 human-edited definitions, Acronym Finder is the world's largest and most comprehensive dictionary of acronyms, abbreviations, and initialisms.
  3. Acronyms Used in the Computer Community
  4. Advice on Research and Writing
  5. - "All Acronyms is the most comprehensive and user-friendly dictionary for all acronyms and abbreviations, including Internet slang terms."
  6. - English dictionary with multi-lingual search.
  7. Anagram Server
  8. Antagonyms - words that have opposite meanings (e.g., "bad" can mean bad or good depending on usage).
  9. ArtLex - "Welcome to ArtLex. You will find definitions of more than 3,100 terms here, along with numerous illustrations, pronunciation notes, great quotations, and links to other resources on the Web."
  10. Astronomy Thesaurus - astronomy terms in English, French, German, Spanish and Italian; all terms cross referenced.
  11. Online Dictionaries - "Online dictionary for 24 languages. And much more about languages and translation: Conjugation, Quizzes, Games, Forum, etc."
  12. Barkley's Financial Glossary
  13. Basic Dictionary of American Sign Language Terms
  14. - " has pregnancy resources and tons of fun ways to find the best baby name."
  15. Book of Cliches, The (archived)
  16. Book Terms & Glossary
  17. Bouviers Law Dictionary
  18. Brewer's Dictionary of Phrase and Fable - Classic dictionary presented by Infoplease.
  19. Collins Dictionary: Discover the New Scrabble Words - "Over 6,500 new words have been added to the Collins Official Scrabble Wordlist. Influenced by all parts of life including social media, slang, technology and food, plus English from around the world. Delve into some of the new words below and discover the full Wordlist."
  20. Cambridge Dictionaries Online - An online search engine allowing users to find definitions.
  21. Common Errors in English - site which simply and entertainingly explains a number of common spelling and usage errors in English.
  22. Copyediting - "Copyediting newsletter helps copy editors, editors and corporate communications pros improve their copyediting skills by presenting the latest trends in grammar, word usage and style."
  23. CyberItalian - interactive language course as well as culture, chat, and links.
  24. DOD Dictionary of Military Terms - DOD Dictionary of Military and Associated Terms.
  25. Devil's Dictionary, The
  26. - " - the largest and most trusted free online dictionary. Quickly find accurate definitions and audio pronunciations of words."
  27. Dictionary of Computing
  28. Dictionary of Dental Terms
  29. Dictionary of Digital Camera Terms
  30. A Dictionary of Quotations - The 2,100 entries in this eminently researched collection form the constellation of collected wisdom in American political debate.
  31. Dictionary of Math Terms for Kids - An animated, interactive dictionary for students which explains over 400 common mathematical terms in simple language.
  32. Dictionary of Philosophical Terms and Names
  33. Dictionary of Phrase and Fable - E. Cobham Brewer's 1898 collection of more than 18,000 entries that reveal the etymologies, trace the origins and otherwise catalog 'words with a tale to tell.'
  34. Dictionary of Symbolism - From abnormality to zodiac, this dictionary lists common literary symbols and their connotations.
  35. DOT - Dictionary of Occupational Titles - It's the official dictionary of occupational titles. DOT's database is arranged alphabetically and can be read online or downloaded in one file.
  36. Duhaime's Law Dictionary - Researched, written in plain language and provided free of charge, to the WWLIA and its users, by lawyer Lloyd Duhaime.
  37. Elements of Style - by William Strunk
  38. English as a Second Language Home Page
  39. English/Cockney Rhyming Slang Dictionary
  40. English Grammar - "Download English grammar rules review, English grammar lessons and grammar exercises for free, or get grammar help and ESL tips on proper grammar usage."
  41. English-Spanish Library and Information Studies Dictionary
  42. Ethnologue Database - on-line database of information about 7,139 languages. Includes alternate names, number of speakers, location, dialects, linguistic affiliation, and other sociolinguistic and demographic data. Etymology Sites: Behind the Name | Etymologyically Speaking | Online Etymology Dictionary | Phrase Finder | Roots of English: an Etymological Dictionary | Take Our Word for It | Word Detective, The | Word Origins | Word Spy
  43. Etymology of First Names, The - This site looks into the meaning and history of common first names.
  44. Fine Dictionary - " includes definitions from 4 dictionaries (WordNet, Webster's Revised Unabridged Dictionary, Century Dictionary and Cyclopedia and Chambers's Twentieth Century Dictionary), illustrations, example sentences, interesting acts, quotations, idioms and etymology as well as related words (synonyms, hypernyms, hyponyms)."
  45. Fluency MC - "How to speak English fluently? 34 renowned English learning specialists share their #1 tips for how to speak fluent English."
  46." - translating dictionaries from English to the following languages: Afrikaans, Danish, Dutch, Finnish, French, Hungarian, Indonesian, Italian, Japanese, Latin, Norwegian, Portuguese, Russian, Spanish, Swahili, and Swedish.
  47. FontMatcherator - "The Font Matcherator will find out what the font is in an image. Upload an image and we will match the fonts."
  48. Free Online Spell Checker - "This free online spell checker and spell check enables you to check your texts for spelling, grammar, or punctuation mistakes and offers instant feedback to correct spelling errors."
  49. Glossary of Business Terms: Washington Post
  50. Glossary of Cancer
  51. Glossary of Computer and Internet Terms
  52. Glossary of Internet Terms
  53. Glossary of Investment Terms (archived)
  54. Glossary of Literary Terms
  55. Glossary of Poetic Terms
  56. Glossary of Solar Physics
  57. Glossary of Statistical Terms
  58. Glossary of Stock Market Terms: Nasdaq
  59. Glossary of Weather Terms: Washington Post
  60. Glossary of Wireless Terms
  61. Grammar and Style Notes - by Jack Lynch
  62. - "Now you can grammar and spell check any text or document online. Simply copy and paste your text onto our website to proofread, review, and correct it."
  63. Grammar Guide: Improve Your Spelling, Punctuation and Writing - "Nothing can cause you to lose credibility faster, or make you look sillier than having your writing riddled with all kinds of grammatical errors. I mean, if you don't know enough to spell something properly, why should anyone trust a word you're saying? There are some commonly made mistakes that are easy for most to spot, and some other not so easily spotted mistakes that'll just make you look like a linguistic genius when you get them right."
  64. Guide to Grammar and Writing - The Guide to Grammar and Writing contains scores of digital handouts on grammar and English usage, over 170 computer-graded quizzes, recommendations on writing -- from basic problems in subject-verb agreement and the use of articles to exercises in parallel structures and help with argumentative essays, and a way to submit questions about grammar and writing."
  65. Hawaiian Dictionary Online - Hawaiian-English and English-Hawaiian words.
  66. Hebrew Tutorial
  67. Heteronyms - words that are spelled identically but have different meanings when pronounced differently (e.g., wind or lead).
  68. Historical Dictionary of Science Fiction - "a comprehensive quotation-based dictionary of the language of science fiction."
  69. HyperDictionary (Archived) - This dictionary looks up the word and presents the definitions twice. First a clean definition then with every work in the definition hyperlinked.
  70. iLoveLanguages
  71. Internet Dictionary: Net Lingo
  72. Jane's Defence Glossary - search over 20,000 defence-related acronyms and abbreviations in the Janes' database
  73. Japanese Online
  74. King's English, The - by H.W. Fowler
  75. - Free multilingual dictionary offers bidirectional, single and multiple words translation from/to: English, German, French, Spanish, Russian, Italian and Turkish language pairs.
  76. Languages - This BBC site provides resources to help you learn Spanish, French, German, Italian, and other languages through online lessons. You can also learn holiday phrases in 34 languages and more.
  77. Latin-English Dictionary
  78. Latin Terms and Phrases in Mathematics (Archived)
  79. Legal Dictionary: FindLaw
  80. Lexical FreeNet - a directory of over 500 translation dictionaries and glossaries.
  81. Literary Encyclopedia and Literary Dictionary - The aim of The Literary Encyclopedia and Literary Dictionary is to provide profiles of the lives and works of literary authors whose works are valued in the English language, and to do so within an electronic publication which will enable readers to explore literary history as never before.
  82. Little Explorers Picture Dictionary with Links - Fun and educational use of the Internet. Great place for kids to explore.
  83. LOGOS - Multilingual Dictionary
  84. Love France, Learn French - "Our awards for the best blogs, sites and resource pages to help you learn French online for free. You'll not find another list like it."
  85. Luciferous Logolepsy - a collection of over 9,000 obscure English words.
  86. Medical Dictionary - Site features encylopedic dictionary of over 9,000 classic and contemporary medical terms. Written entirely by physicians for both professional and non-professional readers site assists everyone concerned about health -- their health and the health of those that matter to them.
  87. Music Dictionary Online - Our Music Dictionary Online explains words and terms you may meet when reading musical scores, books about music or programme notes on CDs or at concerts. We have made it more comprehensive, by providing copious links to supplementary material in our own Music Theory Online resource, our Musical e-Monographs and external websites.
  88. Merriam-Webster: Visual Dictionary Online - "Welcome to the Visual Dictionary Online, the dictionary with a new point of view. A quick glance at the index is all it takes to connect words with images. Explore the 15 major themes to access more than 6,000 images and see words like never before."
  89. Native Monks: English Classes - "Learn a language online anywhere anytime with our Native Teachers! Choose from hundreds of tutors, contact your chosen tutor; and get your personalised, one-to-one lesson started at a time convenient to you."
  90. Newbury House Online Dictionary - This online dictionary contains over 40,000 entries and is based on the best selling Newbury House Dictionary of American English. Providing simple and clear definitions, this online tool provides a wealth of sample sentences, idioms, and a wide array of cultural facts and figures.
  91. Nihongo Master: Learn Japanese Online - "Learn Japanese online with easy lessons, powerful study tools and a great community. Score points and rank against others to become a Nihongo Master."
  92. OneLook Dictionary Search - Look up a word or term in an Internet dictionary or glossary. Free search access to a frequently updated database of words, terms, names, and acronyms.
  93. On-line Chinese Tools - "These pages hope to provide tools to assist people in learning and using the beautiful Chinese language."
  94. On-line Dictionaries
  95. Online Etymology Dictionary
  96. Online Language Dictionaries and Translators
  97. Omniglot: A Guide to Writing Systems -This website provides a guide to over 150 different alphabets, syllabaries and other writing systems including a few you will find nowhere else. It also contains details of many of the languages written with those writing systems and links to a wide range of language-related resources, such as fonts, online dictionaries and online language courses.
  98. Oxford English Dictionary
  99. Oxymoron List - "The Largest List of Oxymorons Ever Collected Online."
  100. Paradigm Online Writing Assistant - guide to writing, composition, rhetoric, editing, and style.
  101. Phrase Finder - Phrases, sayings, idioms and cliches.
  102. Picture Dictionary For Kids - "Free online Picture Dictionary for Kids."
  103. - This online English-Polish Dictionary contains approximately 2000 words, phrases, and expressions.
  104. Poker Glossary
  105. Power Thesaurus - "Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers, journalists, students and teachers."
  106. Purdue Univ. OWL - Online Writing Lab
  107. Rhyme Desk - Interactive tools for writing poetry, including a search tool for rhyming words, a phonetic word search tool, and a way to share your poems in a friendly poetry community.
  108. Rhyme Finder - "Find rhymes with our free online rhyming dictionary. Instantly cure writers block in poetry, songs, etc."
  109. - "What rhymes with Rhyme? - Find all words that rhyme with other words at"
  110. RhymeZone - site offers rhymes, synonyms, antonyms, related words, and other phonetic and semantic functions; it also has integrated cross-referencing of famous quotations, Shakespeare, Biblical passages, Mother Goose rhymes, and user-submitted poetry.
  111. Rhyming Dictionary - Rhyming dictionary, thesaurus, spelling checker, and word finding tool.
  112. Roget's Thesaurus - Third Edition - Containing 35,000 synonyms and over 250,000 cross-references in an easy-to-use format, this thesaurus features succinct word definitions and an innovative index.
  113. Skeptic's Dictionary
  114. Slangit - The Slang Dictionary - "Slangit is a clean slang dictionary of slang words, acronyms, abbreviations, and emoticons."
  115. Smartling - "Simplify and accelerate translation and localization of your websites, mobile apps, and documents."
  116. Spanish Dictionary - "The world's most popular Spanish translation website. Over 1,000,000 words and phrases. Free. Easy. Accurate."
  117. Specialty Dictionaries - Not even a native speaker knows all the words of his own language. Technical vocabulary is used only by specialists and so is not generally known by non-specialists. At this site you will find dictionaries and glossaries of specialized words in the English language, from Accounting to Wine.
  118. - Free online spell checker. Copy and paste a word or document up to 5000 characters to check and correct it online.
  119. Signing Savvy - "Signing Savvy is a sign language dictionary containing several thousand high resolution videos of American Sign Language (ASL) signs, fingerspelled words, and other common signs used within the United States and Canada."
  120. Take Our Word For It - Archive of etymology questions
  121. - Search for thousands of computer and technology terms by term or keyword. Included are; computer, Internet and telecommunications terms, acronyms, emoticons or smilies, chat abbreviations, filename extensions, HTML tags, and domain suffixes.
  122. Teach Language through fun activities & games - Join over 32,000 schools and 4.2 million students who decided to leave the verbs, vocabulary and grammar to us!
  123. Tech Terms Computer Dictionary - "The free online dictionary of computer and technology terms. The goal of the Tech Terms Dictionary is to not just define computer terms, but explain them as well. Definitions of computer terms are helpful, but explanations with examples are even better. contains hundreds of computer and technology terms, all with detailed explanations."
  124. - English, Medical, Legal, and Computer Dictionaries, Thesaurus, Encyclopedia, a Literature Reference Library, and a Search Engine all in one!
  125. - "Free Thesaurus is a comprehensive online thesaurus of synonyms, antonyms, and related words. The thesaurus contains more than 145,800 unique entries from three top sources: Collins Thesaurus of the English Language - Complete and Unabridged, The American Heritage Roget's Thesaurus, and WordNet."
  126. Thesaurus of English Words and Phrases - HTML Edition
  127. Thesaurus of Geographic Names
  128. Typography Resources - "Typography Resources is a curated directory of resources to buy, learn and acknowledge great typography."
  129. Victorian London Dictionary - period resources guide to the social history of Victorian London.
  130. Visual Dictionary of Special Plane Curves - including description, history, formulas, properties, and links for each.
  131. Dictionary - "Try the world's fastest, smartest dictionary: Start typing a word and you'll see the definition. Unlike most online dictionaries, we want you to find your word's meaning quickly. We don't care how many ads you see or how many pages you view. In fact, most of the time you'll find the word you are looking for after typing only one or two letters."
  132. WordDB - We have developed this website to make it easy for you find word to use for whatever reason you wish including popular word based games.
  133. Where Do Languages Come From? - "We don't ask ourselves where languages come from because they just seem to be there: French in France, English in England, Chinese in China, Japanese in Japan, and so forth. Yet if we go back only a few thousand years, none of these languages were spoken in their respective countries and indeed none of these languages existed anywhere in the world. Where did they all come from? This question is examined by this site by Exploratorium Magazine."
  134. Word2Word - Language Resources.
  135. WordLab - "Nomenclature + Phraseology + Punmanship Exercises."
  136. WordNet - on-line lexical reference where English nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept.
  137. - "Free online dictionaries - Spanish, French, Italian, German and more. Conjugations, audio pronunciations and forums for your questions."
  138. Your - "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, glossary, foreign language translation, medical dictionary, and rhyming dictionary lists."
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