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.
Wikibooks is a Wikimedia community for creating a free library of educational textbooks that anyone can edit. Wikibooks began on July 10, 2003; since then Wikibooks has grown to include over 31,472 pages in a multitude of textbooks created by volunteers like you!