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Top 10 Longest Words in the English Language

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Sometimes a picture says a thousand words; sometimes a word says a thousand letters.  There are a few instances in the English language where a word is not constructed for the sake of communication so much as to break a world record, for spectacle’s sake.  In that way, the English language is much like the Olympics; here are ten words that really go the distance.


Note: the following are words in the non-strictest sense, being that some are technical terms, some have been coined, while others actually appear in the dictionary.  Depending on which school of thought you subscribe to, lists may very on the basis of “what constitutes a word” (and some may argue simply that letters constitute a word).

Additional note: tying for the #7 spot is the word “hippopotomonstrosesquipedalian.”  It also contains 30 letters.  Let its omission be justified by saying this list, in and of itself, is hippopotomonstrosesquipedalian (i.e. “that which pertains to extremely long words”).

10.  Honorificabilitudinitatibus

This 27-letter word coined by Shakespeare, in his comedy Love’s Labour’s Lost, is a testament to the Bard’s own intralexiconic skills. Meaning “the state of being able to achieve honors,” the word is the longest one in the English language with alternating consonants and vowels (Take a look for yourself….yep.).

9.  Antidisestablishmentarianism

Containing 28-letters, antidisestablishmentarianism is the longest proper word, consisting of proper and compatible root and affix attachments.  After all the Lego blocks have been snapped together, the word comes to mean “the movement or ideology that opposes disestablishment (i.e. the separation of church and state, as in the movement that took place in 1860’s England).”  The word has a dated relevance, or else is the greatest living thing in a world history nerd’s vocabulary.

8.  Floccinaucinihilipilification

This 29-letter word, pieced together from Latin stems, means simply “the deeming of something to be trivial.”  One letter more than antidisestablishmentarianism, and just as big of a mouthful, it is a valid dictionary entry with a usefulness that is much greater than anything it might be placed beside contextually.  Some readers might even be able to maintain a floccinaucinihilipilification for this list.

7.  Pseudopseudohypoparathyroidism

This 30-letter word is a technical one for a type of inherited disorder.  An individual with such a disorder resembles someone with Pseudohypoparathyroidism Type 1A, but doesn’t possess a deficiency in calcium or PTH levels (which mark the essential differences between Pseudohypoparathyroidism 1A and Hypoparathyroidism).

To put it far more basically, the word is much more fun to say than to have.

6.  Supercalifragilisticexpialidocious

This 34-letter word, which was coined by song-writers Richard and Robert Sherman in the musical film Mary Poppins, is completely made-up, the sum of word parts that don’t even follow proper prefix/suffix placement protocol; the “-istic” following “fragil-” is a suffix, which should signify a word’s end.  However, it is followed by the prefix “ex-,” where a new, separate word should begin.  Nonetheless, it is just another example of a phrase being irretrievably carried off by and imbedded within the culture into which it was born.  Just as how words are invented all the time in rap culture, and swallowed up by a constantly-evolving (or devolving) language system.

The word, containing definable roots, means something like “Atoning for educability through delicate beauty.”  Miss Poppins, however, would insist the word means “something to say when you have nothing to say.”

5.  Pneumonoultramicroscopicsilicovolcanoconiosis


The term refers to a kind of lung disease caused by a finely-powdered silica dust.  This word, containing 45 letters, does appear in the dictionary, but was created primarily just for the sake of a long word.  An equivalent of what the word is going for, albeit by taking the long way home, is a condition simply called silicosis.  Any doctor diagnosing the former is obviously getting paid by the hour.

4.  Aequeosalinocalcalinoceraceoaluminosocupreovitriolic

This 52-letter word was engendered by Dr. Edward Strother in order to describe spa waters of Bath, England in a single word.  The sum of individually-meaningful parts, the word altogether means roughly, “equally salty, calcium-rich, waxy, containing aluminum and copper, and vitriolic.”  Of course this word has very few applications elsewhere.  Unless maybe you were talking about some kind of 9V-battery-powered robotic chicken wing.

3.  Lopadotemachoselachogaleokranioleipsanodrimhypotrimmatosilphioparaomelito-katakechymenokichlepikossyphophattoperisteralektryonoptekephalliokigklopeleiolagoio-siraiobaphetraganopterygon

This word, which shan’t be uttered twice, is a transliteration of a word coined by Greek author Aristophanes in his comic play Assemblywomen.  Containing 171 letters, it is the longest word appearing in literature and refers to a fictional dish; the word quite literally is just the smooshing together of the 17 ingredients contained within (including sharks, pigeons, honey, and various unappetizing animal parts).  Don’t expect to see this listed on any menu, as there surely wouldn’t be enough room to list anything else.

2.  Methionylglutaminylarginyltyrosylglutamylserylleucylphenyl-
alanylalanylglutaminylleucyllysylglutamylarginyllysylglutamyl-
glycylalanylphenylalanylvalylprolylphenylalanylvalylthreonyl-
leucylglycylaspartylprolylglycylisoleucylglutamylglutaminyl-
serylleucyllysylisoleucylaspartylthreonylleucylisoleucylglutamy-
lalanylglycylalanylaspartylalanylleucylglutamylleucylglycylisoleucyl-
prolylphenylalanylserylaspartylprolylleucylalanylaspartylglycylproly-
lthreonylisoleucylglutaminylaspfraginylalanylthreonylleucylarginy-
lalanylphenylalanylalanylalanylglycylvalylthreonylprolylalanyl-
glutaminylcysteinylphenylalanylglutamylmethionylleucylalany-
lleucylisoleucylarginylglutaminyllysylhistidylprolylthreonylisoleucyl-
prolylisoleucylglycylleucylleucylmethionyltyrosylalanylasparaginy-
lleucylvalylphenylalanylasparaginyllysylglycylisoleucylaspartyl-glutamylphenylalanyltyrosylalanylglutaminylcysteinylglutamylly-sylvalylglycylvalylaspartylserylvalylleucylvalylalanylaspartylvalyl-prolylvalylglutaminylglutamylserylalanylprolylphenylalanylarginyl-glutaminylalanylalanylleucylarginylhistidylasparaginylvalylalanyl-prolylisoleucylphenylalanylisoleucylcysteinylprolylprolylaspartylalanyl-aspartylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanyl-seryltyrosylglycylarginylglycyltyrosylthreonyltyrosylleucylleucylseryl-arginylalanylglycylvalylthreonylglycylalanylglutamylasparaginyl-arginylalanylalanylleucylprolylleucylasparaginylhistidylleucylvalyl-alanyllysylleucyllysylglutamyltyrosylasparaginylalanylalanylprolyl-prolylleucylglutaminylglycylphenylalanylglycylisoleucylserylalanyl-prolylaspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanyl-glycylalanylalanylglycylalanylisoleucylserylglycylserylalanylisoleucyl-valyllysylisoleucylisoleucylglutamylglutaminylhistidylasparaginy-lisoleucylglutamylprolylglutamyllysylmethionylleucylalanylalanyl-leucyllysylvalylphenylalanylvalylglutaminylprolylmethionyllysylalanyl-alanylthreonylarginylserine

What you just stared at is the 1913-letter chemical name for tryptophan synthetase, a protein (an enzyme, to be exact) with 267 amino acids.  Of course, it’s completely impractical to actually utter this prankster’s approach to making huge words (the largest one in print), and just looking at it for too long might even lead you to believe there are words and phrases hidden in there like a word search (if you look closely the word “party” shows up a few times, as does something resembling “asparagus”).  Of course, when you cut-and-paste such a word (rather than risk missing even a single letter, for accuracy’s sake), you risk looking like an ass by not thoroughly combing through that contrived brick-o’-letters.

1.  [Titin’s Chemical Name]

This 189,819-letter word shall not be printed in its entirety, partially because it is literally too big to print (without filling the space of a short novella that is), and would be a waste of time and hard drive space.  Along the same lines as the last example, it is a derivation of the chemical components that comprise the protein; abridged, the word is “Methionylthreonylthreonyl…isoleucine,” really not worth seeing sprawled-out if for a single-purpose novelty (the only real purpose a chemical name could possibly serve).

Written By Ryan Thomas




Comments

17 Responses to “Top 10 Longest Words in the English Language”
  1. Peter Boucher says:

    This list is probably the most researched and arduous one that I have ever seen. In fact, I am going to hand write this list down in my notebook (Seeing that I don’t have a printer). A Very BIG Kudos to the author of the list !!

  2. Dennis says:

    Great list and interesting but what is the point in having words this long? I mean can anyone actually pronounce numbers 4-3–2 and 1 correctly when speaking? Still a very interesting list and well written.

  3. Peter Boucher says:

    I remember when I was a 10 year old boy and I was home from school with a fever (I am originally from New England, so winter’s can be harsh). My father came home from work and gave me a book. It was The Guinness Book Of World Records. At that time, No.8 on this list was the longest world in the English Dictionary and could only be found in OED (Oxford English Dictionary) Now we have a word exceeding 189,000 letter. A few months ago, I went to get a prescription filled at a pharmacy and out of curiosity asked the Head Pharmacist as to where these names for medications come from. I was expecting something of Greek or Latin. He told me that each company has a panel of about a dozen people or so and they just dream up these names. I wonder how far there going to take it.

  4. TotalAnon says:

    Actually, the last 2 that are chemical names are really just consistently repeating the names of the amino acids that make them up, it’s not like it’s all one gigantic mess of random letters that actually manage to create a legitimate word. Still, the length is incredibly impressive in each case

  5. Mark Balagot says:

    Wow. Kudos to the author of this list! I love this website!
    I love trvias!

  6. Dennis says:

    Antidisestablishmentarianism is the only word on the list I’m familiar with. It seems, in my memory,that when I was a teenager someone correctly spelled this word and won a National spelling bee contest somewhere. I believe it was a young black girl. That was a long time ago and I’m not sure of the details but it does seem like it was said at the time that this was the longest word of all. So if my fading memory is correct these other words must be fairly new.

    • brian says:

      This is the longest real word. The others are made up. Anti… seems like an easy word to spell, no silent letters or anything…pretty straight forward

  7. ParusMajor says:

    What does “Supercalifragilisticexpialidocious” even mean? Does it mean anything, or is it just a song that has no meaning?

  8. Vivon says:

    Does this count?
    Twoallbeefpattiesspecialsaucelettucecheesepicklesonionsonasesameseedbun
    - McDonald’s Restaurant advertisement to describe the Big Mac sandwich in 1975 :)

  9. Annonymous says:

    You said the longest in the english language…..the last few aren’t classified as been in the english language but simply formulas

  10. leandreo ceasar says:

    no, those are not the longest word , it must have an -s in the end for nouns and -ed for verbs to make them longer :D

  11. Gerrard says:

    All this words when been pronounced sounds like magic spells you know like Harry porter

  12. Moredecai says:

    Methionylglutaminylarginyltyrosylglutamylserylleucylphenyl-
    alanylalanylglutaminylleucyllysylglutamylarginyllysylglutamyl-
    glycylalanylphenylalanylvalylprolylphenylalanylvalylthreonyl-
    leucylglycylaspartylprolylglycylisoleucylglutamylglutaminyl-
    serylleucyllysylisoleucylaspartylthreonylleucylisoleucylglutamy-
    lalanylglycylalanylaspartylalanylleucylglutamylleucylglycylisoleucyl-
    prolylphenylalanylserylaspartylprolylleucylalanylaspartylglycylproly-
    lthreonylisoleucylglutaminylaspfraginylalanylthreonylleucylarginy-
    lalanylphenylalanylalanylalanylglycylvalylthreonylprolylalanyl-
    glutaminylcysteinylphenylalanylglutamylmethionylleucylalany-
    lleucylisoleucylarginylglutaminyllysylhistidylprolylthreonylisoleucyl-
    prolylisoleucylglycylleucylleucylmethionyltyrosylalanylasparaginy-
    lleucylvalylphenylalanylasparaginyllysylglycylisoleucylaspartyl-glutamylphenylalanyltyrosylalanylglutaminylcysteinylglutamylly-sylvalylglycylvalylaspartylserylvalylleucylvalylalanylaspartylvalyl-prolylvalylglutaminylglutamylserylalanylprolylphenylalanylarginyl-glutaminylalanylalanylleucylarginylhistidylasparaginylvalylalanyl-prolylisoleucylphenylalanylisoleucylcysteinylprolylprolylaspartylalanyl-aspartylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanyl-seryltyrosylglycylarginylglycyltyrosylthreonyltyrosylleucylleucylseryl-arginylalanylglycylvalylthreonylglycylalanylglutamylasparaginyl-arginylalanylalanylleucylprolylleucylasparaginylhistidylleucylvalyl-alanyllysylleucyllysylglutamyltyrosylasparaginylalanylalanylprolyl-prolylleucylglutaminylglycylphenylalanylglycylisoleucylserylalanyl-prolylaspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanyl-glycylalanylalanylglycylalanylisoleucylserylglycylserylalanylisoleucyl-valyllysylisoleucylisoleucylglutamylglutaminylhistidylasparaginy-lisoleucylglutamylprolylglutamyllysylmethionylleucylalanylalanyl-leucyllysylvalylphenylalanylvalylglutaminylprolylmethionyllysylalanyl-alanylthreonylarginylserine

  13. lamidi shittu abiodun says:

    wow, what a gigantic word, kudos to you all

  14. Connor says:

       Hello long words
    hepaticocholangiocholecystenterostomies electroencephalographically antitransubstantiationalist disproportionableness incomprehensibilities
    pneumonoultramicroscopicsilicovolcanoconiosis 
     supercalifragilisticexpailidocious pseudopypoparathyroidism hippotomonstrosesquipedalian floccinaucinihilipilification     
    Floccinaucinihilipilificated

    antidestablishmentarianism honorificabinatudinatatabus
    Zenzizenzizenzic
    Zemmiphobia
    Pseuantidisestablishmentarianism
     ACETYL SERYL TYROSYL SERYL ISO­LEUCYL THREONYL SERYL PROLYL SERYL­GLUTAMINYL PHENYL ALANYL VALYL PHENYL­ALANYL LEUCYL SERYL SERYL VALYL­TRYPTOPHYL ALANYL ASPARTYL PROLYL­ISOLEUCYL GLUTAMYL LEUCYL LEUCYL­ASPARAGINYL VALYL CYSTEINYL THREONYL­SERYL SERYL LEUCYL GLYCYL ASPARAGINYL­GLUTAMINYL PHENYL ALANYL GLUTAMINYL THREONYL GLUTAMINYL GLUTAMINYL ALANYL­ARGINYL THREONYL THREONYL GLUTAMINYL VALYL GLUTAMINYL GLUTAMINYL PHENYL­ALANYL SERYL GLUTAMINYL VALYL­TRYPTOPHYL LYSYL PROLYL PHENYL ALANYL­PROLYL GLUTAMINYL SERYL THREONYL VALYL­ARGINYL PHENYL ALANYL PROLYL GLYCYL­ASPARTYL VALYL TYROSYL LYSYL VALYL­TYROSYL ARGINYL TYROSYL ASPARAGINYL ALANYL VALYL LEUCYL ASPARTYL PROLYL­LEUCYL ISOLEUCYL THREONYL ALANYL­LEUCYL LEUCYL GLYCYL THREONYL PHENYL­ALANYL ASPARTYL THREONYL ARGINYL­ASPARAGINYL ARGINYL ISOLEUCYL­ISOLEUCYL GLUTAMYL VALYL GLUTAMYL­ASPARAGINYL GLUTAMINYL GLUTAMINYL SERYL PROLYL THREONYL THREONYL ALANYL­GLUTAMYL THREONYL LEUCYL ASPARTYL­ALANYL THREONYL ARGINYL ARGINYL VALYL­ASPARTYL ASPARTYL ALANYL THREONYL­VALYL ALANYL ISOLEUCYL ARGINYL SERYL­ALANYL ASPARAGINYL ISOLEUCYL­ASPARAGINYL LEUCYL VALYL ASPARAGINYL­GLUTAMYL LEUCYL VALYL ARGINYL GLYCYL­THREONYL GLYCYL LEUCYL TYROSYL­ASPARAGINYL GLUTAMINYL ASPARAGINYL­THREONYL PHENYL ALANYL GLUTAMYL SERYL­METHIONYL SERYL GLYCYL LEUCYL VALYL­TRYPTOPHYL THREONYL SERYL ALANYL­PROLYL ALANYL SERINE 

  15. Chuk daniels says:

    Waw these words sounds lik spells or incantations of some sort

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