Online Dictionaries, Thesaurus, and Language Resources

Merriam-Webster Word Central

Great for grades 3-8. Students can look up word definitions quickly, or build their own dictionary! Find the meaning of the Daily Buzzword and hear it pronounced.
The Internet Picture Dictionary

This picture dictionary is for good for primary students, ESL students, and beginning English, French, German, Spanish and Italian language learners. Play games such as Fill-in-the-blanks, Stinky Spelling (correct the errors), and Word Scrambles.

A Maths Dictionary for Kids

A wonderful animated, interactive dictionary for students containing over 500 math terms in simple language. Read the meaning, look at the examples, and try the quiz.

Acronym Finder

You can find out what 69,000 acronyms and abbreviations stand for. Type in the acronym (such as CIA, NASA, or ERA) without periods or quotes and press Find.
Rhyme Zone

For all students. As you create your own poems, use this rhyming dictionary to help you find the perfect word. It also will find synonyms, homophones, and more.

OneLook Dictionaries

For older students. Type a word into OneLook and it will search through more than 287 dictionaries and glossaries. Click on Browse Dictionary List to find a special subject dictionary. Entries are in categories from Arts to Technology.

ArtLex Art Dictionary

For artists, collectors, students and educators find over 3,500 terms used in discussing visual culture.

Tech-Along Technology Glossary

Here's your chance to unravel the mystery of all those computer terms (bit and byte, CPU, FAQ, ISDN, and so on). Scroll the list.

Merriam-Webster Dictionary and Thesaurus

For older students and adults, enter words into either the dictionary or the thesaurus space.

Dictionary.com and Thesaurus.com

Quick and easy--type in your word in the Look it up box and get your results.