biggest word in the world ever
However a 39-letter word, Rechtsschutzversicherungsgesellschaften, insurance companies providing legal protection, is considered the longest German word in everyday use by the Guinness Book of World Records. In theory, a German word can be infinitely long.
The longest word in the Oxford Dictionary of English is pneumonoultramicroscopicsilicovolcanoconiosis-at 45 letters. Its definition is an artificial long word said to mean a lung disease casued by inhaling very fine ash and sand dust. The longest word to be found in Britain is the Welsh place name ...