The average adult recognises 30,000-50,000 words, but only uses 10,000 to 15,000 words. The Remaining words are obsolete and are included in the dictionary of obsolete words. This dictionary includes obsolete English words, ranging from the merely uncommon to the extremely rare, nearly obsolete and just plain nutty. Each word is listed along with a brief definition. Going through this dictionary tends to enhance your vocabulary.
