WordWeb for Windows
No SpyWare. No AdWare. No viruses.
More than 10 million downloads!
The program has a full dictionary and thesaurus for American, British, Canadian, Australian, Indian, and global English.
*WordWeb is fully functional and free if you satisfy the lensing terms. Get WordWeb Pro to add full audio and many additional features, including the option to add Oxford, Chambers and Collins dictionaries.