Largest Word in English – Pneumonoultramicropicsilicovocanoconiosis is known as the largest word in English with 45 letters. followed by Hippopotomonstrossquipedaliophobia, pseudoseudohpoparathyroidism, supercalifragilisticexpialidocious and floccinaucinihilipilification.
Top-10 Largest Word in English
Here, you can check the list of top-10 longest words in English:
| S. No. | Word Name | Letters |
| 1. | Pneumonoultramicroscopicsilicovolcanoconiosis | 45 |
| 2. | Hippopotomonstrosesquippedaliophobia | 36 |
| 3. | Pseudopseudohypoparathyroidism | 35 |
| 4. | Supercalifragilisticexpialidocious | 34 |
| 5. | Floccinaucinihilipilification | 29 |
| 6. | Spectrophotofluorometrically | 28 |
| 7. | Antidisestablishmentarianism | 28 |
| 8. | Psychoneuroendocrinological | 27 |
| 9. | Pneumoencephalographically | 26 |
| 10. | Otorhinolaryngological | 22 |
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FAQs
Which is the largest word in English?
Pneumonoultramicropicsilicovocanoconiosis is the largest word in English with 45 letters.
Which is the second largest word in English?
Hippopotomonstrosesquippedaliophobiat is the second longest word in the English language.
Which are the top largest words in English?
The top-5 largest words in English are Pneumonoultramicroscopicsilicovolcanoconiosis, Hippopotomonstrosesquippedaliophobia, Pseudopseudohypoparathyroidism, Supercalifragilisticexpialidocious and Floccinaucinihilipilification.