14 of the longest words in English (2024)

Yes, this article is about some of the longest English words ever. No, in this article you will not find the longest word in English. That one word would take up about 57 pages. It is the chemical name for the titin protein found in humans. The full name consists of 189,819 letters. Dictionaries omit the name of this protein and many other long words. Obviously, dictionaries have space limitations and the average person does not need to know the technical names of chemicals. Still, there are many long words in the dictionaries. Let's take a moment to appreciate a few of them.

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What is the longest word in English?

The longest English word ispneumonoultramikroskopisk silicovolcanoconiosis, which is forty-five letters long and refers to a type of lung disease. If you include technical words, this is the longest English word – and the longest word in the worldthis word, a chemical name for a protein that is 189,819 letters long. It takes three hours to say everything!

14 of the longest words in English

1 Pneumonoultramikroskopisk silicovolcanoconiosis(forty-five letters)

Alum disease caused by inhaling silica or quartz dust.

2 Pseudopseudohypoparathyreoïdie(thirty letters)

A mild form of hereditarypseudohypoparathyreoïdiethat simulate the symptoms of the condition but are not associated with abnormal calcium and phosphorus levels in the blood.

3 Floccinaucinihilipilificationatie(twenty-nine letters)

The assessment of something as worthless. Ironic,floccinaucinihilipilifikatieis in itself a rather worthless word; it is almost never used except as an example of a long word.

4 Anti-disestablishmentarisme(twenty-eight letters)

Originally described as opposition to the dissolution of the Church of England, it can now refer to any opposition to the withdrawal of government support for a particular church or religion.

5 Supercalifragilisticexpialidocious(thirty-four letters)

Mary Poppins described it as the word to use "when you have nothing to say." It appears in some (but not all) dictionaries.

6 Incomprehensibility(twenty-one letters)

This word set the record as the longest word 'in general use' in the 1990s.

7 Forces

Forceshas only nine letters, but all but one are consonants! This results in the word Guinness World Record. It is also one of the longest monosyllabic words in the English language.

8 Yes

Yesis six letters long, but all letters are vowels. It holds two Guinness World Records. It is the longest English word composed entirely of vowels, and it has the most consecutive vowels of any word. If you're wondering what its meaning is, it's a musical term from the Middle Ages.

9Unimaginative

Unimaginativey has a lot of vowels - eight in total if you include the final y. The clever thing about this word is that the vowels and consonants alternate. However, it is not the longest word with alternating consonants and vowels.

10 Respectability

That position is held byeer, a twenty-seven letter way of saying "with honor."

11 Tsktsk

When you ask someone a question, you indicate that you disapprovetsktsksound or otherwise.Tsktsksis the longest word that does not contain a vowel.

12In13CopyrightedInsubdermatoglyfisk

Isograms are words that do not repeat letters. The longest examples arenot protected by copyrightInsubdermatoglyfisk. For example, a song that is not copyrighted is not eligible for copyright. This word has fifteen letters, but another word without repeated letters is longer:subdermatoglyfisk. It's seventeen letters, but you won't have many opportunities to use it outside the field of dermatology.

14 Sesquipedalisme

The fourteenth word on our list describes the tendency to use long words:sesquipedalisme. If you have this quality, you will enjoy using the words in this article in your next conversation. If you're a true sesquipedalan, it shouldn't be that hard. Except for that protein name of 189,819 letters. . . it's doubtful your friends will wait three hours for you to finish saying it!

14 of the longest words in English (1)

14 of the longest words in English (2024)
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