Most commonly, length is based on orthography (conventional spelling rules) and counting the number of written letters. Alternate, but less common, approaches include phonology (the …

It is the longest word in the English language published in a popular dictionary, Oxford Dictionaries, which defines it as "an artificial long word said to mean a lung disease caused by …

1 day ago · Things are getting hot across the country, and summer has not even officially begun. The summer solstice will occur on Friday, June 20, and it will be both the longest day and …

Apr 11, 2023 · Long story short—we organized a list of 15 of the longest English words according to some unique criteria. It won't be long before you learn something new!

Define longest. longest synonyms, longest pronunciation, longest translation, English dictionary definition of longest. adj. long·er , long·est 1. a. Extending or traveling a relatively great distance.

Apr 28, 2025 · The longest word entered in most standard English dictionaries is Pneumonoultramicroscopicsilicovolcanoconiosis with 45 letters. Our definition is "a lung …

This is the ultimate list of the 150 longest long words in the English language.

May 29, 2025 · There are about a million words in the English language, but do you know the longest word in English? You may think it’s antidisestablishmentarianism, at 28 letters long.

Jun 21, 2023 · What is the longest word in English? The longest English word is pneumonoultramicroscopicsilicovolcanoconiosis, which is forty-five letters long and refers to a …

Jan 4, 2013 · Today we share the top 10 longest words in English, as well as the most difficult words to spell and pronounce. Did you know these?