The longest officially recognized place name in an English-speaking country is Taumata­whakatangihanga­koauau­o­tamatea­turi­pukaka­piki­maunga­horo­nuku­pokai­whenua­ki­tana­tahu …

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 say!

The longest word entered in most standard English dictionaries is Pneumonoultramicroscopicsilicovolcanoconiosis with 45 letters. Our definition is "a lung disease …

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.

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. b. …

Mar 20, 2026 · Lake Pontchartrain Causeway in Louisiana is the longest bridge in the U.S. and is the longest bridge over water in the world. Here's how long it spans.

Find 73 different ways to say LONGEST, along with antonyms, related words, and example sentences at Thesaurus.com.

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.

Aug 11, 2025 · Here are 16 of the longest things ever officially measured. As of 2016, the Gotthard Base Tunnel is the longest railway tunnel in the world. This engineering marvel stretches 35.4 miles …