Longest word in English – In this article, you will learn about the 20 longest words in English Language in the world (dictionary) and their definitions.
Read on to learn about the twenty longest words in English language in the world.
Table of contents
- Longest Words in English Language
- 1. Pneumonoultramicroscopicsilicovolcanoconiosis
- 2. Floccinaucinihilipilification
- 3. Hippopotomonstrosesquippedaliophobia
- 4. Aequeosalinocalcalinoceraceoaluminosocupreovitriolic
- 5. Pseudopseudohypoparathyroidism
- 6. Incomprehensibility
- 7. Supercalifragilisticexpialidocious
- 8. Hippopotomonstrosesquipedalian
- 9. Honorificabilitudinitatibus
- 10. Trichotillomania
- 11. Spectrophotofluorometrically
- 12. Thyroparathyroidectomized
- 13. Xenotransplantation
- 14. Antidisestablishmentarianism
- 15. Psychoneuroendocrinological
- 16. Antiestablishmentarian
- 17. Pneumoencephalographically
- 18. Otorhinolaryngological
- 19. Dichlorodifluoromethane
- 20. Sesquipedalianism
- Other Educational and Useful Lessons
- Summary
- Inquiries
Longest Words in English Language
A lot of the longest words in the English language dictionary have to do with medicine or chemistry. You’ll find definitions for a few of them here, along with other long words that you may or may not already use. In this post, we’ll look at twenty of the English language’s longest words.
1. Pneumonoultramicroscopicsilicovolcanoconiosis
The word “pneumonoultramicroscopicsilicovolcanoconiosis” is one of the longest words in English. It is a lung disease caused by inhaling fine particles of silica or quartz.
Most dictionaries don’t include Tintin’s full name, so this 45-letter word is often considered to be the longest word in English. For a more simple explanation, doctors use this term to talk about a lung disease caused by breathing in silica or quartz dust.
Letters: 45
2. Floccinaucinihilipilification
The word “floccinaucinihilipilification” is one of the longest words in the English language. It is the habit of estimating something as worthless.
Furthermore, this word is rarely, if ever, used. Also, try putting it into your everyday conversation. You might wow your family and friends—or really confuse them.
Letters: 29
- ◦ Read on to learn more about the longest word in the dictionary.
3. Hippopotomonstrosesquippedaliophobia
The word “hippopotomonstrosesquippedaliophobia” is one of the longest words in English. It means “fear of long words.”
Furthermore, this word is not one you hear very often. The fact that the word is made up of four different parts makes people with the phobia even more scared. People with this condition are afraid of long words.
Letters: 36
4. Aequeosalinocalcalinoceraceoaluminosocupreovitriolic
The word “aequeosalinocalcalinoceraceoaluminosocupreovitriolic” is one of the longest words in the English language. It is used to describe the spa waters in Bath, England.
It’s the longest word on this list for sure, but you won’t find it in any of the big dictionaries. Furthermore, this word is made by putting together seven different parts to make one big word. These are: Aequeo, Salino, Calcalino, Ceraceo, Aluminoso, Cupreo, Vitriolic.
Letters: 52
- ◦ Read on to learn more about the longest word in the world.
5. Pseudopseudohypoparathyroidism
The word “pseudopseudohypoparathyroidism” (PPHP) is one of the longest words in English. It is an inherited condition that causes short stature, a round face, and short hand bones.
Furthermore, a form of pseudohypoparathyroidism that isn’t too bad and is marked by normal calcium and phosphorus levels in the blood.
Letters: 30
6. Incomprehensibility
The word “incomprehensibility” is one of the longest words in the English language. It means “impossible to understand.”
Furthermore, this may be the first term on this list that you’ll use in normal conversation. “The fact of being impossible to explain” is the meaning of this 19-letter term.
Letters: 19
- ◦ Read on to learn more about the longest word in the dictionary.
7. Supercalifragilisticexpialidocious
The word “supercalifragilisticexpialidocious” is one of the longest words in English. It is a meaningless word that is sometimes used to describe something as great or extraordinary.
Furthermore, this could be the best word of all. This word became popular because of the movie Mary Poppins. It is something to say when you don’t know what else to say.
Letters: 34
8. Hippopotomonstrosesquipedalian
The word “hippopotomonstrosesquipedalian” is one of the longest words in the English language. It is defined as “of or pertaining to extremely long words.”
In addition, a modified version of the Latin word “monstrum,” “hippopotomonstrosesquipedalian” is an adjective and an extension of the term “sesquipedalian.”
Letters: 30
- ◦ Read on to learn more about the longest word in the world.
9. Honorificabilitudinitatibus
The word “honorificabilitudinitatibus” is one of the longest words in English. It is the dative and ablative plural of the medieval Latin word “honōrificābilitūdinitās. It means “the state of being able to achieve honors.”
In addition, it is the longest word in Shakespeare’s works and in the English language. Also, you might notice that the consonants and vowels change places in the word.
Letters: 27
10. Trichotillomania
The word “trichotillomania” is one of the longest words in the English language. It is an unexplained compulsion to pull out one’s own hair.
For a more detailed explanation, it is the name of the condition where people have an unexplained urge to pull out their own hair, eyelashes, and eyebrows.
Letters: 16
- ◦ Read on to learn more about the longest word in the dictionary.
11. Spectrophotofluorometrically
The word “spectrophotofluorometrically” is an adverb and is one of the longest words in English. It can be used to show that you measured the amount of light given off with a device called a spectrophotofluorometer (SPF).
Letters: 28
12. Thyroparathyroidectomized
The word “thyroparathyroidectomized” is one of the longest words in the English language. It is a medical term that defines the excision of both the thyroid and parathyroid glands.
In addition, there is another term for this word. It is called “thyroparathyroidectomy.”
Letters: 25
- ◦ Read on to learn more about the longest word in the world.
13. Xenotransplantation
The word “xenotransplantation” is one of the longest words in English. It means cross-transplantation of organs between different species.
In addition, even though the word “xenotransplantation” sounds like something out of science fiction, it is being studied in 21st century medicine. This word is used to describe the process of moving an organ from one species to another.
Letters: 19
14. Antidisestablishmentarianism
The word “antidisestablishmentarianism” is one of the longest words in the English language. It is a point of view that says a state church should not be taken away from the government’s support.
In addition, the term refers to a political movement in Britain in the 19th century that tried to keep church and state separate. In this case, a political movement wanted to get rid of the Church of England as the official state church of England, Ireland, and Wales.
Letters: 28
- ◦ Read on to learn more about the longest word in the dictionary.
15. Psychoneuroendocrinological
The word “psychoneuroendocrinological” is one of the longest words in English. It means “of or pertaining to psychoneuroendocrinology.”
Furthermore, it is also a term that was made up in the 1970s to describe the study of the relationship between human behavior and hormones. It is used in a sentence as an adjective.
Letters: 27
16. Antiestablishmentarian
The word “antiestablishmentarian” is one of the longest words in the English language. It is a person who supports or promotes antiestablishmentarianism.
Also, it opposed or was hostile to the social, economic, and political ideas of the ruling class (as of a nation). As an adjective, however, it means “of, relating to, or typical of antiestablishmentarianism.”
Letters: 22
- ◦ Read on to learn more about the longest word in the world.
17. Pneumoencephalographically
The word “pneumoencephalographically” is one of the longest words in English. It is a word used to describe an old medical procedure. It is where spinal fluid is removed and air is added to help see the brain’s structures better.
Pneumoencephalography, on the other hand, was an old imaging method that worked by putting air into the subarachnoid space. As a result, doctors were able to see the shape of the brain and ventricles.
Letters: 26
18. Otorhinolaryngological
The word “otorhinolaryngological” is one of the longest word in the English language. It means “of or relating to medical treatment of the ear, nose, and throat.”
For a more detailed explanation, something is otorhinolaryngological if it has to do with otorhinolaryngology. It is the study of or something related to any problem with the ear, nose, or throat.
Letters: 22
- ◦ Read on to learn more about the longest word in the dictionary.
19. Dichlorodifluoromethane
Dichlorodifluoromethane is one of the longest words in English. It is a colorless gas that is usually sold as Freon-12. Furthermore, it is a chlorofluorocarbon halomethane that is used as a refrigerant and as a propellant for aerosol sprays.
For a more detailed explanation, it is used as a refrigerant gas in refrigerators and air conditioners. It is also used in aerosol sprays, in plastics, and as an aid in detecting leaks.
Letters: 23
20. Sesquipedalianism
The word “sesquipedalianism” is one of the longest words in the English language. It is the use of long and sometimes hard-to-understand words in speech or writing.
Furthermore, if you have this quality, it will be fun to try to use this word in your next conversation. If you are a real sesquipedalian, it shouldn’t be too difficult.
Letters: 17
The longest word in English depends on what a word is and how length is measured. “Methionylthreonylthreonylglutaminylalanyl…isoleucine” is by far the longest word that people know. It has taken people two to three and a half hours to try to say the whole word.
Furthermore, the longest word among the 20 words in this article is at number 4. It has 52 letters. But you won’t find it in any of the big dictionaries. So, if we only base it on dictionaries, the longest word will be the number 1. It has 45 letters. It is also considered to be the longest word in English.
Now, let’s talk about the shortest word that was mentioned above but still belongs among the longest words. It is the word “trichotillomania” and has 16 letters.
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Summary
In summary, we have discussed the topic “20 Longest Words in the English Language in the World.” Most of the longest words that we included in this article are medical terms. It is because a lot of the longest words in the English language have to do with medicine.
Inquiries
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