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What is the longest word in English?


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2018-02-11 04:33:19
2018-02-11 04:33:19

Claimed longest English word:

The longest word in English is claimed to be a scientific term of 189,819 letters; it describes a protein, or a family of proteins, and doesn't appear in standard dictionaries. Researchers who need to speak of it call it 'titin'for short, which just leaves 189,814 letters to go when they write their reports.

English dictionary entries claiming the title of longest English word: The longest word in a standard English dictionary is the 45-letter 'pneumonoultramicroscopicsilicovolcanoconiosis'. This word was concocted in 1935 by a fan of word games and puzzles, using the lung disease, silicosis, as its base.

How it is pronounced:


It is an obscure term referring to a lung disease caused by inhalation of silica dust.

However, it is actually 4 words.

The longest non-technical word in an English dictionary, (and the longest in common usage) is the 34-letter 'supercalifragilisticexpialadocious'. It was created by lyricists Richard and Robert Sherman as part of a song written for the 1964 Disney musical movie, 'Mary Poppins', and is 'something to say when you've nothing to say'. Mary Poppins herself suggests: 'Just summon up this word and then you've got a lot to say'. This is how it is occasionally used, although it more frequently describes something really good: 'beyond super', or it's just cited as an example of a very long word.

Of the main contenders for the title of the longest non-technical English dictionary entry, the adjective supercalifragilisticexpialadocious, unlike the other two famous long words, has the distinction of remaining in popular usage, very probably because it is easily pronounceable.

The second-longest non-technical word in an English dictionary is the 29-letter 'floccinaucinihilipilification', a composite of four Latin words, first recorded in 1791 and taken from a rule in the students' and scholars' guide, Eton Latin Grammar, first published in the 1500s.

Coined as a witticism (possibly by Eton students) and frequently cited as the longest word in English, it is still occasionally used in its literal, humorous meaning: estimating something as worthless or trivial, of small value, or given away free. For example: Jo: 'I love opera,'; Kim: 'Opera's all rubbish!'; Jo: 'You're floccinaucinihilipilifatingagain, aren't you? To say this word, just break it up into its smaller parts: flocci-nauci-nihili-pili-fication.

The third-longest non-technical and the longest non-coined, that is, evolved word in an English dictionary is the 28-letter 'antidisestablishmentarianism', a term describing a political movement opposed to, or anti-, the movement advocating the removal of the Church of England as the UK state church, the English disestablishmentarian movement of the 1800s (which failed).

The status of all four of these claimed longest English dictionary entries is, of course, subject to debate.

Other claimants to the longest English word title: The longest non-scientific word - not a dictionary entry - in the English language is claimed to be the 85-letter Maori name of a hill in New Zealand.

Next comes the 51-letter name of a village on a Welsh island, though, like the long lung disease and the earlier Latin compilation, this word was put together simply in order to be a very long word; specifically, to bestow upon the local railway station the honour of having the longest name in the British Railways guide. It worked, and people have been visiting the place for over a hundred and fifty years, just to see the signs.

Other languages, and links:

There are place names longer than the NZ hill (Bangkok's ceremonial title holds a world record as the longest place name anywhere). Other words, in many languages, are candidates for the longest word in the world. Most countries have their own claimant to the title of the longest word.

Have a look at the links below: more information on the alleged lung disease, P-45, is there, and the 'longest words' links have details of the New Zealand and Welsh names mentioned above, as well as of other ferociously long words from around the world.

Longest word in the English language has a substantial debate on the issue; while Antidisestablishmentarianism features, it suggests that there are a myriad of others; most of which are contrivances designed merely to be long, some of which are place names that are ostentatiously in different languages, and a number of highly technical terms.

However, floccinaucinihilipilification [29 letters: the act of making something worthless, as opposed to the previous word which had 28] was in use 200 years ago, and also used more recently in senate and nuclear test ban debates - arguably because it is so amusing.

Wikipedia also suggests that additional prefixes and suffixes could be added to one word to make contraneoantidisestablishmentarianalistically, although that could be lengthened into antipseudocontraneoantidisestablishmentarianalistically, although that would again be merely a contrivance. There is a technical word that is in excess of 1,000 characters (and has been in print a number of times).


the longest word in English is,

pneumonoultramicroscopicsilicovolcanoconiosis (45 letters).it is a lung disease


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the longest word in English with no vowels is rhythm.

The longest word in the English language is pneumonoultramicroscopicsilicovolcanoconiosis.

no, pneumonoultramicroscopicosillicovolcanoconiosis is the longest word.


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The longest word is 45 letters long. Longest Word: Pneumonoultramicroscopicsilicovolcanoconiosis

No. The longest word to be in a major English dictionary is Pneumonoultramicroscopicsilicovolcanoconiosis, which can be found in the Oxford English Dictionary.

The second longest word in English language is antidisestablishmentariansism.

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The longest noun (and word, in general) in the English language is "pneumonoultramicroscopicsilicovolcanoconiosis".

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The longest word in the English dictionary is Pneumonoultramicroscopicsilicovolcanoconiosis. This is a lung disease.

The chemical name for titin is the longest word in the English lexicon.

Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word in the English Language.

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Pneumonoultramicroscopicsilicovolcanoconiosis (also happens to be the longest word in the English language)

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Longest single-word palindromeThe longest English word that's more or less commonly used is: redivider.English: tattarrattatForeign languages: solutomaattimittaamotulos, saippuakuppinippukauppias

The longest English word you can spell with the letters from Christmas day is Christmas Day

The longest word in the English language is 3750 letters long. The second longest word is 45 letters long pnuemonoultramicroscopicsilicovolcanoconyosis.

The 45 letter word Pneumonoultramicroscopicsilicovolcanoconiosis is the longest constructed word that appears in major dictionaries. Antidisestablishmentarianism, at 28 letters, is the longest non-technical English word.

The longest known word in the world has seventeen syllables

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