Wordnik for Words

Wordnik. A beta site that seeks to be more than a dictionary. Sort of an encyclopedia of words. A modern OED. ' .... An ongoing project devoted to discovering all the [English] words and everything about them. More than 1.7 million words, and more than 130 million examples! ... ' With, it says, a openness to 'new words'. You can contribute your own words, pronunciations and definitions. More in the FAQ. Includes Princeton's Wordnet, which I have used for previous projects.