Top Ten Hardest English Words to Pronounce

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The Top Ten

1 Methionylthreonylthreonylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleuc yllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylalanylvalylthreonylleucylgl ycylaspartylprolylglycylisoleucylglutamylglutaminy

"Good luck of spelling it."

Is this seriously a word... Or is someone goofing off...

So long that it can't even fit in this space.

Is that a real word? - Elina

5 Comments
2 The Full Name of the Protein Titin

Way to big. Hard to believe its an actual word

Man come on it has 189819 words dude

Good luck of spelling it.

This word has 189,819 letters. Look it up if you're curious because it's way too long. laugh out loud

4 Comments
3 Otolaryngology

Odo lare in gol la g - SpinelliFan

Mine turned to otrolorlyngologngy

The hardest word to pronounce ever!

AHHH! So hard to say! But I still trying it. - rico

1 Comment
4 Pneumonoultramicroscopicsilicovolcanoconiosis

Not even going to try - BreakFastBeast2005

This is lower than deterioration? - ---ChargedZircon---

I can't pronounce this crazy wordd!

5 Deterioration

Deter-eo-ration

(duh-teer-ee-eer-ay-shun)

6 Miscellaneous

Not so hard! - Sugarcubecorner

This word shouldn't even be included in the top ten.

Part of this list seems wrong.

This one is easy for me: Mish-uh-lay-nee-iss. But I used to have trouble pronouncing it. - cosmo

7 Supercalifragilisticexpialidocious

That's not a real word- Kevinsidis

I grew up on the run so it was just Mary pooping and wizard of ox so I can say this word easily

For me this is not hard because I'm so used to this word.

Errgh! I always mispronounce this stupid franking word. - NerdyPweeps

8 Onomatopoeia

I had this word for a spelling word before! It is hard to pronounce, but I spelled it right! - funnyuser

We say this all the time in ela so it's not that hard - Thatgirl

9 Susceptible
10 floccinaucinihilipilification

This word literally means to estimate something as being useless.
Yep, this word's useless alright. - Rocko

The Contenders

11 Verisimilitude - the appearance of truth
12 Refrigerator
13 Infinitesimal - infinitely small
14 Prioritize
15 Acrimonious - full of spite or bitter
16 Philanthropy - being in love of mankind, especially by doing good deeds
17 Catastrophe
18 Incorrigible - incapable of being reformed
19 Dilemma
20 Clandestine - Sneaky
21 Extraterrestrial
22 Arbitrary - Capricious or Random
23 Renaissance - a rebirth or revival (For Europe between the fourteenth and seventeenth centuries)
24 Hippopotamus Hippopotamus The common hippopotamus, or hippo, is a large, mostly herbivorous mammal in sub-Saharan Africa, and one of only two extant species in the family Hippopotamidae, the other being the pygmy hippopotamus.

Hip-po-po-tam-us it's easy - Wobblygaming7

25 Mediterranean
26 World

This is ridiculous, world isn't hard to pronounce at all

It might take a while before successfully pronouncing that word.

Errgh! I can't pronounce this sick and crazy 1-syllable word. It seems like one of the hardest 1-syllable words ever.

AHHH, ERRGH! I usually have a hard time pronouncing that word.

27 This

*gasp* SO HARD...

THE WORD IS SO HARD TO SAY I AM Spanish IN APPLE COCUNHE ME GUSTA PINA, PASTEL, CARNE

28 Conciliatory - Making Peace
29 Hexacosichoron
30 Rhombicosidodecahedron
31 Sixth

Very difficult.

This is the harvest Word Ever you thought. This isn’t Pronounced siks or sikst the th sound is the one to make the word hard to pronounce and the thing there is the x and the th

32 Neanderthal
33 Rural
34 Magician
35 Regularly
36 Specific

I always mispronounce this word! - funnyuser

37 Maths
38 Ship
39 Variety
40 Vizio
41 Porifera - Sponge but in a scientific version
42 Pnictogen
43 Whisked
44 Pseudopseudohypoparathyroidism (PPHP)

The meaning of this word is: An inherited disorder

45 Hippopotomonstrosesquipedalian
46 Arachibutyrophobia
47 Defibrillation
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List Stats

100 votes
47 listings
5 years, 188 days old

Top Remixes (5)

1. The Full Name of the Protein Titin
2. Methionylthreonylthreonylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleuc yllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylalanylvalylthreonylleucylgl ycylaspartylprolylglycylisoleucylglutamylglutaminy
3. Pneumonoultramicroscopicsilicovolcanoconiosis
---ChargedZircon---
1. The Full Name of the Protein Titin
2. Methionylthreonylthreonylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleuc yllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylalanylvalylthreonylleucylgl ycylaspartylprolylglycylisoleucylglutamylglutaminy
3. Pneumonoultramicroscopicsilicovolcanoconiosis
Metal_Treasure
1. Miscellaneous
2. Deterioration
3. Refrigerator
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