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longest word is not in our dictionary (yet). Here's what it could mean:

Confidence: high

Results generated using artificial intelligence.

noun

  • A term referring to the word in a language that has the most letters; in English, often cited as *pneumonoultramicroscopicsilicovolcanoconiosis*, a type of lung disease.

Example Sentences

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Pneumonoultramicroscopicsilicovolcanoconiosis is generally understood to be the longest word in the English language, with 45 letters.

From Fox News Oct. 16, 2021

The loss of the word could be good news for German sufferers of writers' cramp The German language has lost its longest word.

From BBC Jun. 4, 2013

Thesaurus

Possible Synonyms

Words in our thesaurus

other words

  • spelling bee nightmare
  • polysyllabic term
  • sesquipedalian word
  • dictionary-breaker

Possible Antonyms

  • basic vocabulary
  • A-B-C
  • easy-peasy word
  • monosyllable
  • one-letter wonder

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