17/08/2025
📕 20 LONGEST WORDS IN ENGLISH
(ordered from longest to shortest)
1. Pneumonoultramicroscopicsilicovolcanoconiosis | A lung disease caused by inhaling very fine silicate or quartz dust. (Longest word in a major dictionary)
2. Hepaticocholangiocholecystenterostomies | A type of surgical procedure connecting liver, bile ducts, gallbladder, and intestine (plural).
3. Hippopotomonstrosesquipedaliophobia | Ironically, the fear of long words.
4. Supercalifragilisticexpialidocious | A playful, invented word meaning “fantastic” (from Mary Poppins).
5. Dichlorodiphenyltrichloroethane | The chemical name for the insecticide DDT.
6. Pseudopseudohypoparathyroidism | A mild form of a rare genetic disorder.
7. Floccinaucinihilipilification | The act of describing something as unimportant or worthless.
8. Trinitrophenylmethylnitramine | The chemical name for the explosive known as tetryl.
9. Antidisestablishmentarianism | Originally, a political position against disestablishing the Church of England.
10. Electroencephalographically | In a manner related to measuring electrical activity of the brain.
11. Anticonstitutionalistically | In a way that is against constitutional principles.
12. Psychoneuroendocrinological | Relating to psychology, neurology, and hormones.
13. Honorificabilitudinitatibus | The state of being able to achieve honors (used by Shakespeare).
14. Thyroparathyroidectomized | Having had the thyroid and parathyroid glands surgically removed.
15. Radioimmunoelectrophoresis | A scientific method used in medical testing.
16. Microspectrophotometries | Measuring the light spectra absorbed by microscopic samples.
17. Transubstantiationalist | Someone who believes in transubstantiation in theology.
18. Overintellectualization | Excessive analysis or rational thought.
19. Anthropomorphologically | In a way that attributes human characteristics to non-humans.
20. Otorhinolaryngological | Relating to the ear, nose, and throat (ENT).
