What is the longest and shortest word?
In English, the shortest words are four letters long. In some other languages, we use words of only two characters. The longest words are 17-18 letters - for example, "environmentalists" and "unenthusiastically". The longest word in any language so far is in Portuguese - 'caracteristicamente'. What is the longest and shortest word in the world? The word pneumonoultramicroscopicsilicovolcanoconiosis is often cited as the longest word in the English language. It is the longest word found in a standard dictionary, but the full name for Tryptophan synthetase is longer, but not in a common dictionary.