Top Ten Hardest English Words to Pronounce

The Top Ten Hardest English Words to Pronounce

1 Methionylthreonylthreonylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleuc yllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylalanylvalylthreonylleucylgl ycylaspartylprolylglycylisoleucylglutamylglutaminy

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

Believe it or not, this is a real word. - JamesBourne

2 The Full Name of the Protein Titin

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

There is a video on YouTube of someone pronouncing it and it took 45 minutes! This should be number 1, it's so much harder to pronounce than otolaryngology or deterioration.

Oh my! That word has 189,819 words. I researched it up and it takes 3 and a half hours to pronounce. - cosmo

There is a pdf online of every letter of the word. It's 72 pages long. It's a book

3 Pneumonoultramicroscopicsilicovolcanoconiosis

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

Not even going to try - BreakFastBeast2005

I can't pronounce this crazy wordd!

4 Otolaryngology

The hardest word to pronounce ever!

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

It comes from the Greek word otolaryngologos.

Mine turned to otrolorlyngologngy

5 Deterioration



6 Supercalifragilisticexpialidocious

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

That's not a real word- Kevinsidis

7 Miscellaneous

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

Part of this list seems wrong.

Not so hard! - Sugarcubecorner

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

8 Susceptible
9 floccinaucinihilipilification

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

10 Verisimilitude - the appearance of truth

The Newcomers

? Intelligence
? Tuberculosis

The Contenders

11 Infinitesimal - infinitely small
12 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

13 Acrimonious - full of spite or bitter
14 Refrigerator
15 Philanthropy - being in love of mankind, especially by doing good deeds
16 Prioritize
17 Incorrigible - incapable of being reformed
18 Clandestine - Sneaky
19 Catastrophe
20 Arbitrary - Capricious or Random
21 Renaissance - a rebirth or revival (For Europe between the fourteenth and seventeenth centuries)
22 Dilemma

Wow saying this word is a dilemma!

23 Extraterrestrial
24 Mediterranean

Med / I /rr/anian

25 This

*gasp* SO HARD...


26 Conciliatory - Making Peace
27 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

28 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.

29 Rhombicosidodecahedron
30 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

31 Rural


32 Maths
33 Ship
34 Porifera - Sponge but in a scientific version
35 Hexacosichoron
36 Neanderthal
37 Magician
38 Regularly
39 Specific

I always mispronounce this word! - funnyuser

40 Variety
41 Vizio
42 Pnictogen
43 Whisked
44 Pseudopseudohypoparathyroidism (PPHP)

The meaning of this word is: An inherited disorder

45 Hippopotomonstrosesquipedalian
46 Arachibutyrophobia
47 Defibrillation
48 Act
49 Handkerchief
PSearch List