Top 10 Longest English Words

These words will test your memory! Feel free to try multiple times to get them right! Sourced from: https://www.studyinternational.com/news/longest-words-in-english/

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Last updated: November 17, 2023

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First submitted	November 17, 2023
Times taken	14
Average score	40.0%
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Definition	Answer
A lung disease that is caused by the inhalation of silica or quartz dust.	pneumonoultramicroscopicsilicovolcanoconiosis
The phobia or fear of long words.	hippopotomonstrosesquippedaliophobia
This word became popular from the 1964 musical film “Mary Poppins.”	supercalifragilisticexpialidocious
A medical term that refers to a relatively mild form of pseudohypoparathyroidism.	pseudopseudohypoparathyroidism
The act of regarding something as unimportant or as worthless	floccinaucinihilipilification

Definition	Answer
To disestablish the Church of England in Ireland, Scotland and Wales.	antidisestablishmentarianism
Deriving from Latin, it means honourable, honourableness or “the state of being able to achieve honours.”	honorificabilitudinitatibus
The surgical removal of both the thyroid and parathyroid glands.	thyroparathyroidectomized
A nonflammable, nontoxic alternative to ammonia and sulfur dioxide used as a refrigerant.	dichlorodifluoromethane
The state of being impossible or extremely difficult to understand	incomprehensibilities