Dictionaries

Childrens' Dictionaries

• Merriam Webster: Word Central -- student dictionary
• Wordsmith -- educational children’s dictionary

General Dictionaries

• Merriam Webster -- general dictionary
• Cambridge Dictionary -- dictionary for English learners
• Dictionary.com -- Dictionary, thesaurus, and more
• OneLook Dictionary Search -- searches multiple dictionaries at once

Specialized Dictionaries

• Thesaurus.com -- thesaurus (part of dictionary.com)
• Acronym Finder -- dictionary for Acronyms
• Genome.gov -- talking glossary of genetic terms
• Medical Glossary.org -- medical glossary
• MedlinePlus -- medical dictionary
• NetLingo - The Internet Dictionary -- Dictionary of cyberterms, text and chat acronyms
• Techterms.com -- computer dictionary
• Online Etymology Dictionary - Etymology Dictionary – historical meanings of words
• RhymeZone -- Rhymes, synonyms & antonyms, homophones, and more
• US Courts Glossary -- law dictionary
• Visual Dictionary Online -- by Merriam Webster. Connects words with images
• Wiley Online Library -- Includes dictionaries by subject