The longest officially recognized place name in an English-speaking country is Taumata­whakatangihanga­koauau­o­tamatea­turi­pukaka­piki­maunga­horo­nuku­pokai­whenua­ki­tana­tahu (85 letters), which is a hill in New Zealand (see the signpost photo on this page). The name is in the Māori language. Define longest.

Understanding the Context

longest synonyms, longest pronunciation, longest translation, English dictionary definition of longest. adj. long er , long est 1. a.

Key Insights

Extending or traveling a relatively great distance. b. Having relatively great height; tall. c. Having the greater length of...

Final Thoughts

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! What Is the Longest Word In English? Here’s a List of 15 Lengthy Words Prepare to challenge your memory and discover the jaw-dropping lengths of the longest words in English. Take your vocabulary to the next level with this list, featuring 13 of the longest words in the English language. "Longest." Vocabulary.com Dictionary, Vocabulary.com, https://www.vocabulary.com/dictionary/longest.

Accessed 30 Mar. 2026. Copy citation Examples from books and articles Find 73 different ways to say LONGEST, along with antonyms, related words, and example sentences at Thesaurus.com.