| | OneLook: This no-frills online dictionary lets you look up basic definitions, related words, phrases and more. You can even customize your experience with different searches. |
| | ArtLex: Browse this art terms dictionary for historical context information, definitions and more. |
| | Online Medical Dictionary: This simple search tool lets you browse by letter or subject area. |
| | Library of Congress Online Catalogs: We’re pretty sure most librarians have heard of this site, but it’s seriously one of the best reference sites on the Web. |
| | ASL Browser: Look up American Sign Language signs here. |
| | Ditto: Search the web for all kinds of beautiful images on this site. |
| | Wiktionary: Wikipedia’s free dictionary is a collaborative, multilingual resource. |
| | WestNet IT Glossary: Search results for IT words bring up definitions, a list of related words, animations and graphics. |
| | Historical Text Archives: This site boasts nearly 687 articles and 70 books about history, especially American history. |
| | Internet Broadway Database: Look up directors, actors and more for all Broadway shows here. |
| | Harry Potter Glossary: If you’re behind in your Harry Potter reading, use this extensive glossary to help you sort out all of the characters and unique vocabulary. |
| | Dictionary of Pop Culture References: From A to Z, you can find words, phrases and characters from pop culture. |
| | Medline Plus: Look up anything to do with health care on this site from, prescription drugs to local resources to symptoms and diseases. |
| | Open Library: This user-generated book catalog has over 13 million books in its library. |
| | The Dialectizer: Paste a URL into the box and select a dialect like Redneck, Cockney or Elmer Fudd to have the whole site translated. |
| | American Memory: The Library of Congress’ American culture and history reference site features topics like environment and conservation, immigration, women’s history, Presidents, religion, maps, literature, African American history and others. |
| | McAfee Virus Glossary: Learn about online threats and computer security by browsing this authoritative glossary. |
| | What Is? IT Dictionary: Browse categories like personal computing, call centers, cheat sheets, authentication, network hardware, compliance, Linux, storage management, Telecom, robotics and a whole lot more for tech definitions. |
| | The Devil’s Dictionary: This adapted version of Ambrose Bierce’s The Devil’s Dictionary contains words like brute, gallows, damn, wrath, and X. |
| | All About Jewels: Illustrated Dictionary of Jewelry: Find a picture of each gem or jewelry and learn about its minerals, fashion history, gravity and colors. |
| | AllMusic.com: Search by genre like rock, jazz, pop, world, rap or blues. |
| | Grandiloquent Dictionary: Impress your friends by using huge words you found here. |
| | The New Dictionary of Cultural Literacy: Search through topics like technology, American history, literature in English, proverbs and more to become a more "active citizen in our multicultural democracy." |
| | Behind the Names: Find out the history of your name or search names by categories like English, Spanish, mythology, Biblical names, African and more. |
| | Distance Education Glossary: If you’ve recently enrolled in a distance ed course or program, use this glossary to help you navigate your new education portal. |
| | bibliomania: Over 2,000 classic texts can be found on this site, as well as reference books, study guides and links to buy books. |
| | Bristol Biomedical Image Archive: Browse thousands of biomedical images on this site. |
| | Online Music Theory Helper: Order flash cards or look up different theory lessons on this site. |
| | CNET Glossary: Use this glossary to look up network terms. |
| | Chat Stuff: This short dictionary has translations for popular chat acronyms like AFK, BAK, and BCNU. |
| | Patient Care: Columbia University Medical Center lists a number of patient resources, including tools for finding a doctor, dentist and hospital. |
| | CustomSearchEngine.com: This site is a link directory for Google’s custom search engine. |
| | Math Glossary: Look up words and concepts like abacus, Thales’ theorem, obtuse triangle and a lot more in this special site. |
| | DataParkSearch Engine: Use this open source search engine to find multilingual sites, pull up "fuzzy searching based on acronyms and abbreviations" and find text files, mp3s and .gif files. |
| | dmoz: dmoz is an open directory project, where you can search for or edit topics and results for kids and teens, reference materials, business, health, arts and more. |
| | Kelly Blue Book: Here you’ll find all kinds of consumer information about new and used cars. |
| | USA.gov: Search all kinds of government information here, from public safety to jobs and education to taxes to voting. |
| | Little Explorers Picture Dictionary: Students learning to read will find pictures to go along with their definition results. |
| | FactBites: FactBites is "where results make sense" and is touted as a search engine crossed with an encyclopedia. |
| | Factmonster Reference Desk: Here, you’ll find an almanac, homework center, atlas, dictionary and encyclopedia for younger students. |
| | freedict.com: This online translator can find words in Dutch, Afrikaans, Russian, Portugese, Swedish, Japanese, Hungarian and more. |
| | Giga Blast: Giga Blast is still in beta form, but you can search websites, images and video. |
| | Gimpsy: Gimspy specializes in "active sites for active people." You can search by verb or action, by filling in the sentence "I want to…" |
| | Google Directory – Health and Medicine: Categories and individual web pages are listed on this Google reference site. Browse topics like health news, history of medicine, medical dictionaries or patient education. |
| | Grove Music Online: This site is "the world’s premier authority on all aspects of music." |
| | Healthfinder: This government site features a Drug Interaction Checker, a Health Library and consumer guides. |
| | Biology Website References for Students and Teachers: Learn about evolution, cell chemistry, anatomy and genetics from this list of reference sites. |
| | Travel Industry Dictionary: Look up words and acronyms like gay friendly, day rate, WAPTT, recall commission statement and more on this site. |
| | Hoovers: Hoover’s is "your one-stop reference for business information," and you’ll find industry overviews, business reports, and a lot more. |
| | HyperHistory Online: There are over 2,000 files on this site, on all kinds of world history topics like politics, religion, culture, science and special events. |
| | Style Guides and Resources: This reference list will help you out when you need to write a paper using APA, MLA, and other special citation systems. |
| | Sports Almanac: From the Olympics to hockey, you can find everything there is to know about sports history and players on this site. |
| | InteliHealth: This reference site has an Ask the Expert section, as well as a database full of information for diseases and conditions, from asthma to digestive issues to weight management to STDs. |
| | The Works of the Bard: Use the Shakespeare search engine or browse plays by category to get references and text of Shakespeare’s works. |
| | Kart00: Here, you have the option of only searching English pages or the entire web. |
| | KidsClick!: This educational search engine was created by librarians and teachers and is organized by topics like society and government, machines and transportation, health and family, facts and reference, and a lot more. |
| | Videoconferencing Glossary: Even non-techies can understand the fundamentals of videoconferencing thanks to this website, which lists definitions for words like analog signals, camera presets, bps, continuos presence and others. |
| | Statistical Resources on the Web: Find updated statistics on everything from agriculture to business to labor to housing to the military. |
| | Library Spot: This great reference site has links to encyclopedias, Top 10 lists, business references, public libraries and a LOT more. |
| | Transportation and Logistics Acronyms: Find acronyms for the U.S. government and military, supply chain systems, transportation, trucking, freight and more. |
| | Glossary of Internet Terms: From ADN to Meta Tag to SDSL to cgi-bin, find definitions of Internet terms here. |
| | MediLexicon: At MediLexicon, you can use the medical dictionary search, hospital search, medical abbreviations search or read all the latest medical news. |
| | The Merck Manual: Search this online medical library for diseases and conditions and drug products. |
| | Dictionary of Metal Terminology: Search online or order the hard copy version to find metal-related words. |
| | Ms. Dewey: Your off-the-wall host Ms. Dewey flirts, sings and offers silly trivia or analysis while you search. |
| | MsFreckles.com: Cute little Ms. Freckles gives you all the tools to conduct a meta search here. |
| | Newsknife: This reference site ranks the top news sites by each particular story, by month, homepage resources and other categories. |
| | Everybody’s Legal Glossary: Nolo’s legal glossary is designed for everyday people who need help understanding traffic tickets, real estate forms, and "hundreds of legal terms, from the common to the bizarre." |
| | Learning and Performance Glossary: From accelerated learning to guidance package to meta skills, this glossary is full of education terms for teachers. |
| | Strange and Unusual References: Head to this site to look up all-vowel words, magic words, magic archetypes, how to identify unicorns and other odd material. |
| | Online Conversion: Convert "just about anything" on this site, which understands over 5,000 different units for date, time, density, energy, acceleration, angles and a lot more. |
| | Encyclopedia Mythica: Search for text, quotes and history of mythology, folklore and religon. Categories include Greek people, Celtic mythology and Roman mythology. |
| | Charles Dickens Gad’s Hill Place: Use this quote page to search by topic, title, or phrase, or pull from The Daily Dose of Dickens book. |
| | Pricewatch: Look up low prices on computer hardware, electronics and other gadgets here. |
| | RefDesk: Check your facts quickly and easily at the RefDesk, which features a site of the day, thought of the day, and plenty of multi-search tools. |
| | RhymeZone: Type in a word to find rhyming words, synonyms, definitions, Shakespeare references and more. |
| | Rollyo: This highly customizable search engine lets you enter a keyword or phrase and then select specific categories to search, like travel and hotels, health, celebrity gossip and more. |
| | RxList: RxList is "the Internet drug index," and you search by prescriptions dispensed, names searched or just by letter. |
| | Science.gov Energy and Energy Conservation: Find new and archived articles about energy conservation here. |
| | SeatGuru: View layouts of airplanes so that you can easily pick your seats on your next trip. |
| | Sexual Dictionary: Look up quotes for "doin’ the wild thing" here, as well as other slang terms for sex. |
| | Encyclopedia Smithsonian: Browse topics like Japanese art, astronomy, horticulture, popular entertainment, domestic life, conservation and more on this authority site. |
| | A Glossary of the Humanities: Click on a letter to look up words, phrases and concepts that use references from Foucault, Burke, Frye and others as definitions. |
| | Slang Site: Look up Web words, slang and even made up but often used words here. |
| | Small Business Big World: This is the "almost free" site for finding local and international small businesses. |
| | Stock Market Yellow Pages: Search for stocks on this search engine, which pulls results from Forbes, Yahoo!, Wall Street City and other sites. |
| | Tech Encyclopedia: Look up a specific word or click to get a random definition each day. |
| | Glossary of Real Estate Abbreviations, Terms and Phrases: Get through your next home signing by doing some extra research on this site. |
| | Twain Quotations A to Z: Inspire (or confuse) your students by throwing out a Mark Twain quote every once in a while. You can search by subject matter. |
| | Children’s Literature Web Guide: Look for award-winning children’s books, readers’ theatre sites, stories published online and more on this site. |
| | Ulyssek Search Engine: You can view your results organized into categories on this site. |
| | Dictionary of English Idioms and Idiomatic Expressions: ESL students and curious native speakers can search this dictionary to find idioms like "part and parcel," or "gnaw your vitals." |
| | Roger’s Profanisaurus: Have fun looking up profane words at "the ultimate swearing dictionary." |
| | Who’s Alive and Who’s Dead: Keep track of which famous musicians, performers, actors, athletes and political figures are alive and which ones are dead. |
| | Directory of Occupational Titles: If you’ve ever wanted to know the official name of your job, look it up here. |
| | Word Spy: Search for a specific word to bring up funny quotations and a definition, or you can browse categories and sub categories like aging and death, hacking and hackers, entrepreneurs, jargon and buzzwords, art and design, drugs, euphemisms, sleeping or cell phones. |
| | XE Currency Converter: Transfer euros, USD, Canadian Dollars, UK pounds, Algerian dinars, Chinese yuan and any other currency here. |
| | Zillow: Find homes, get mortgage information and search loans on Zillow. |
| | ZoomInfo: Research an industry (like teaching or law) or company by using this business search engine. |
| | Cha Cha: This creative search engine makes you feel like you’re sending a text from your cell phone when you search. |