Dictionaries Hear how a word sounds with this dictionary. A click of the mouse loads audio clips with no lag time. You can play electronic scrabble, hang man, spelling bee and word matchups. www.thefreedictionary.com
Merriam-Webster: Word games and an exceptionally nice visual dictionary can be accessed at the top of the home page.
Word Central: Offers word puzzles and a build-your-own dictionary section. Daily Buzzword is good for vocabulary-building exercises.
Dictionary of Canadian Biography: For senior students or teachers, this U of T/Universite Laval project provides a fully vetted, in-depth resource. Hosted by Library and Archives Canada, it's easy to navigate and the search mechanism works well. It is limited to people who died before 1930. www.biographi.ca
Cambridge Dictionaries Online: This site is simple to use with clear and concise definitions. Phonetics are neatly tucked under the Show Phonetics button. Spell a word incorrectly and you are given lots of options. www.dictionary.cambridge.org
Your Dictionary: This site provides all kinds of resources. Look up an obscure word, translate between languages, learn to write your name in 14 languages, play word games or convert currencies. www.yourdictionary.com
The Visual Dictionary: Simple word searches lead to layer upon layer of meanings with large, clearly presented visuals. www.infovisual.info
Here are three online dictionaries which would be suitable for students who need visual cues to help them learn vocabulary. Great for ESL, Autism, Developmental Disabilities, FSL as well as students learning how to read.
Sorted alphabetically. Also has English to French and French to English as well as some other languages.
Just type in the word and a picture and definition come up. http://www.pidic.com/
Suitable for older students. Great for ESL. http://visual.merriam-webster.com/