What is the longest word in English?
Ava Arnold
Updated on February 22, 2026
Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word entered in the most trusted English dictionaries.
What word takes 3 hours to say?
You will be surprised to know that the longest word in English has 1, 89,819 letters and it will take you three and a half hours to pronounce it correctly. This is a chemical name of titin, the largest known protein.What is the 2 longest word ever?
Here's how Merriam-Webster defines the ten longest words in the English language.
- Pneumonoultramicroscopicsilicovolcanoconiosis (45 letters) ...
- Hippopotomonstrosesquippedaliophobia (36 letters) ...
- Supercalifragilisticexpialidocious (34 letters) ...
- Pseudopseudohypoparathyroidism (30 letters)
What is the word with 189 819 letters?
methionylthreonylthreonylglutaminylalanyl…You'll notice there's an ellipsis here, and that's because this word, in total, is 189,819 letters long, and it's the chemical name for the largest known protein, titin. Technical words can grow to enormous lengths, but they also kind of suck all the fun out of this question.
How do you say Aequeosalinocalcalinoceraceoaluminosocupreovitriolic?
Aequeosalinocalcalinoceraceoaluminosocupreovitriolic (AYK-wee-oh-SAY-lin-noh-kal-KAL-lin-noh-suh-RAY-see-oh-uh-LOOM-in-noh-soh-KOOP-ree-yoh-vit-tree-YOLL-lik) is an adjective coined about three centuries ago to elucidate the properties of the spa waters at Bath.The longest English word:
What 21 words have no vowels?
- byrls.
- crwth.
- crypt.
- cysts.
- dryly.
- flyby.
- ghyll.
- glyph.
What words have 3 A's in them?
smaaahl
- smaaahl.
- staaamp.
- usafaaa.
- saaarmm.
- ofaaabc.
- ospaaal.
- qjaaahl.
- rafhaaa.