Querry all sites containing a particular word?
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Actually, it's "query". \n\nGive http://www.namedroppers.com/ a try, it should help ya out.
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take out the ' SITE:' in the search.
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check dictionary.com   website
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Links below have alphabetical listing, just click on any word  or letter and get the terms.
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Are looking for this site?
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web site\ndid u mean like in a url adress?
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www.dictionary.com\nwww.mw.com\nwww.google.com - when you do a search type the following:\ndefine: search term (where "search term" is the word you are trying to define)\n\nFor example, if you wanted the definition of "happy" you would search the following on Google:\n\ndefine:happy
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http://dictionary.reference.com/
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Wikipedia.com   \nthey have everything
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zabba search \nreally good site
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Try "Google Language Tools".
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Not quite sure what you are asking but I am guessing you want alternative words for a particular word you specify if so it is a thesaurus that you are looking for and here is one.\n\nhttp://thesaurus.reference.com/
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how can I bookmark this great ques?
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Try using a thesaurus with the key words of the definition. I would start with m-w.com (Merriam-Webster)
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Mamma.com\nyahoo.com\ngoogle.com\nTheFreeDictionary.com\nect.
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http://www.thesexdictionary.com/
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lingo, check the websie lingo worldlingo.com