The 7 Longest Words In The English Language

The 7 Longest Words In The English Language  image

The 7 Longest Words In The English Language

The 7 Longest Words In The English Language

Before we start, we thought that we should clarify a few points about our selection. Some of these words have been coined, some are scientific terms (which aren't part of everyday conversation) and some do actually appear in the dictionary. So depending on how you quantify what constitutes a "word" you may or may not agree with this list. Either way try pronouncing them and if there's any we've missed out, please let us know in the comments below!


You've probably heard this 28 letter word before, although it's use is very limited these days. That probably has something to do with it's rather interesting meaning, which based on "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).

2. Floccinaucinihilipilification

This 29 letter word is Latin for "the deeming of something to be trivial" which we have to say is quite a mouthful for a word that means little. You will find it though in many modern day dictionaries. But would you ever use it in conversation? Probably not.

3. Pneumonoultramicroscopicsilicovolcanoconiosis

Is a word that refers a specific type of lung disease that's directly caused by silica dust - those very finely powdered granules. It's 45 letters in length and in fact does appear in most dictionaries, most doctors simple reference to the condition simply as "silicosis"

4. Aequeosalinocalcalinoceraceoaluminosocupreovitriolic

Sounds vaguely exotic doesn't it? Well you wouldn't be far off the mark, Dr. Edward Strother created this 52 letter word to describe the spas of Bath, located in England. It's a mash-up essentially of individual words, that loosely form the phrase "salty, rich in calcium, wax in touch and containing elements of aluminum, copper and vitriolic". Watch the clip here

5. Lopadotemachoselachogaleokranioleipsanodrimhypotrimmatosilphio paraomelitokatakechymenokichlepikossyphophattoperisteralektryonopte kephalliokigklopeleiolagoio-siraiobaphetraganopterygon

Before you ask, no we're not making this up! Originally created by Aristophanes, a Greek author who write a comedy called Assemblywomen,he used it to describe a fictional dish. The 171 letters make it one of the longest words to appear in literature and interestingly enough, there's a strange senergy with the number of letters (171) as they complete the 17 ingredients used within the dish. Quite what they are we're not sure - but 17 versions of anything mashed together can't be too appetising.

6. Methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanyla lanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylph enylalanylvalylprolylphenylalanylvalylthreonylleucylglycylaspartylpr olylglycylisoleucylglutamylglutaminylserylleucyllysylisoleucylasparty lthreonylleucylisoleucylglutamylalanylglycylalanylaspartylalanylleuc ylglutamylleucylglycylisoleucylprolylphenylalanylserylaspartylproly lleucylalanylaspartylglycylprolylthreonylisoleucylglutaminylaspfragi nylalanylthreonylleucylarginylalanylphenylalanylalanylalanylglycylv alylthreonylprolylalanylglutaminylcysteinylphenylalanylglutamylmet hionylleucylalanylleucylisoleucylarginylglutaminyllysylhistidylproly lthreonylisoleucylprolylisoleucylglycylleucylleucylmethionyltyrosyla lanylasparaginylleucylvalylphenylalanylasparaginyllysylglycylisoleuc ylaspartylglutamylphenylalanyltyrosylalanylglutaminylcysteinylgluta myllysylvalylglycylvalylaspartylserylvalylleucylvalylalanylaspartyl valylprolylvalylglutaminylglutamylserylalanylprolylphenylalanylarg inylglutaminylalanylalanylleucylarginylhistidylasparaginylvalylal anylprolylisoleucylphenylalanylisoleucylcysteinylprolylprolylasp artylalanylaspartylaspartylaspartylleucylleucylarginylglutami nylisoleucylalanylseryltyrosylglycylarginylglycyltyrosylthreonylt yrosylleucylleucylserylarginylalanylglycylvalylthreonylglycylalany lglutamylasparaginylarginylalanylalanylleucylprolylleucylaspa raginylhistidylleucylvalylalanyllysylleucyllysylglutamyltyrosylaspar aginylalanylalanylprolylprolylleucylglutaminylglycylphenylalanylg lycylisoleucylserylalanylprolylaspartylglutaminylvalyllysylalanylal anylisoleucylaspartylalanylglycylalanylalanylglycylalanylisoleucylse rylglycylserylalanylisoleucylvalyllysylisoleucylisoleucylglutamylglu taminylhistidylasparaginylisoleucylglutamylprolylglutamyllysylmeth ionylleucylalanylalanylleucyllysylvalylphenylalanylvalylglutaminylpr olylmethionyllysylalanylalanylthreonylarginylserine

No your browser didn't just crash. What you're looking at there is the mind-bending 1,913 characters that form the chemical name for tryptophan synthetase, a protein (actually an enzyme, to be exact) with 267 amino acids. Imagine trying to avoid a typo whilst writing that on your science paper submssions. It takes this kid over 3 mins to actually pronounce it 

7.The full chemical name of Titin

And finally, the longest word in the history of the English language currently stands at a whopping 189,819 letters. Even at breakneck speed (as demonstrated in the video above) it would take you approximately 8 mins to verbalise. For us to print it here, would actually result in you scrolling down this page to infinity, but again it's one of those words that is a combination of countless chemical components. However, if you're truly curious you can view it in its entirity here

Featured image by T0-B1

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