I was just wondering how the site like "thefreedictionary.com" has so much of content. I mean they have almost an entire dictionary on the web. Many other sites do have this feature. But I would like to know if I wish to start a site like this how can I gather data for this.
closed as not constructive by danlefree♦ Sep 26 '12 at 0:43
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Dictionary.com have an api you could use to help populate information on the fly.
Wikionary is a free and open dictionary published by the Wikimedia foundation. You are free to use it as long as you respect the license requirements. You can start your research here:
Wikimedia volunteer editors can be helpful by providing/improving instructions on how to set it up.