Top 10 Longest Words and Their Meaning

Here are the top 10 longest words in the English language.

TOP 10 LONGEST WORDS – In learning the English language, you will get the chance to meet these words that will test your memory.

English is a fun language to learn and will surely deliver convenience in communicating especially when traveling. The language is considered an accessible and relatively easy one to learn but learning English fast seem impossible. It is going to take a lot of time.

As you go along in learning English, you’ll surely meet some long words that you can hardly fathom but your mind and tongue will surely enjoy the challenge.

Top 10 Longest Words

Here are some of the longest words in English and what they mean:

  1.  Pneumonoultramicroscopicsilicovolcanoconiosis (forty-five letters)
    This term is referred to a lung disease that is caused by inhaling silica or quartz dust.
  2. Hippopotomonstrosesquippedaliophobia (thirty-six letters)
    This comes with an irony as the word means fear of long words.
  3. Supercalifragilisticexpialidocious (thirty-four letters)
    This is an expression of excitement or in more simple terms, this means wonderful.
  4.  Pseudopseudohypoparathyroidism (thirty letters)
    This is an inherited pseudohypoparathyroidism but in a mild form. This is not linked to abnormal levels of calcium and phosphorus in the blood.
  5. Floccinaucinihilipilification (twenty-nine letters)
    The word means “valueless” and the word itself doesn’t have value as it is almost never used except when giving an example for a long word.
  6. Antidisestablishmentarianism (twenty-eight letters)
    At the present time, this means any opposition of the establishment of any state religion.
  7. Honorificabilitudinitatibus (twenty-seven letters)
    The word has alternating consonants and vowels and this means honorable, honorableness or “the state of being able to achieve honors”.
  8. Thyroparathyroidectomized (twenty-five letters)
    This medical term refers to removing both the thyroid and parathyroid glands.
  9. Dichlorodifluoromethane (twenty-three letters)
    In the 1920s, researcher Thomas Midgley discovered the colorless gas which is now known as dichlorodifluoromethane.
  10. Incomprehensibilities (twenty-one letters)
    This is among the longest words in English that is of common usage. This means the state of being impossible or extremely difficult.

Here are some of the other long words in English:

  • Psychoneuroendocrinological (27 letters)
  • Parastratiosphecomyia Stratiosphecomyioides (42 letters)
  • Otorhinolaryngological (22 letters) 

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