Dictionary.com – This database is the world’s leading, definitive online and mobile resource for everything word related. The site provides access to millions of definitions, synonyms, audio pronunciations, example sentences, translations and spelling help.
Merriam-Webster Dictionary – For more than 150 years, in print and now online, Merriam-Webster has been America’s leading and most-trusted provider of language information.
Purdue Online Writing Laboratory – The Purdue University Writing Lab and Purdue Online Writing Lab (OWL) assist clients in their development as writers no matter what their skill level with on-campus consultations, online participation, and community engagement. The Purdue Writing Lab serves the Purdue, West Lafayette, campus and coordinates with local literacy initiatives. The Purdue OWL offers global support through online reference materials and services.
Reference.com – This website contains a variety of tools and games that assist in increasing vocabulary, writing and researching skills.
Thesaurus.com – This website contains lists of synonyms (similar) and antonyms (opposite) for finding the exact terms needed and preventing repetition while writing.
Vocabulary.com – This website introduces users to one of the most intelligent ways to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words.