Aug 11, 2025 · Uncover the truth behind the longest word in the English language, a massive 189,819-letter chemical name. Learn what it means, why it's so long, and whether it's truly …

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 …

Sep 2, 2025 · The Longest Words in English Most English words longer than about 15-20 letters are scientific, meaningless, or highly specialized, and they tend to be formed by affixation.

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.

May 11, 2025 · Take your vocabulary to the next level with this list, featuring 13 of the longest words in the English language.

Aug 19, 2025 · Prepare to challenge your memory and discover the jaw-dropping lengths of the longest words in English.

2 days ago · Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.

Jul 6, 2025 · Discover the longest words in the world across various languages, from English to Sanskrit, and learn how they are formed. Explore fascinating linguistic curiosities!

May 19, 2025 · Discover the longest words in the world, from medical terms to plant and animal names. Learn their origins and significance.

Apr 11, 2023 · At over 180,000 letters long, the chemical name of the protein titin is often said to technically be the longest English word. If spoken out loud, this word takes over three hours to …