HOW STUFF WORKS
QUIZZES

FOLLOW US
Longest Words in English Quiz
by Staff
These words will curl your corneas and tie up your tongue. How much do you know about the longest English words?

How many letters are in the longest English word that you'll see in a normal dictionary?

  • 45 letters
  • 62 letters
  • 71 letters

What is this word we mentioned in the previous question?

  • pneumonoultramicroscopicsilicovolcanoconiosis
  • hippopotomonstrosesquipedaliophobia
  • supercalifragilisticexpialidocious

If you declare yourself antitransubstantiationalist, you may find yourself at odds with who?

  • your lawyer
  • your priest
  • your doctor

What causes pneumonoultramicroscopicsilicovolcanoconiosis?

  • volcanic ash
  • smoking
  • pollution

What is "methylchloroisothiazolinone"?

  • an artificial color
  • an acid
  • a preservative

What's the meaning of "antidisestablishmentarianism"?

  • religious rebellion
  • anti-slavery literature
  • freedom from love

In which movie did the word "supercalifragilisticexpialidocious" appear?

  • "Mary Poppins"
  • "Mad Max"
  • "Hitchhiker's Guide to the Galaxy"

How many letters are in "antidisestablishmentarianism"?

  • 28
  • 30
  • 32

What did the Guinness Book of World records have to say about "incomprehensibilities"?

  • It was the oldest long word.
  • It was the longest word you'd actually use.
  • It's not a real word.

What does "floccinauccinihilipilification" mean?

  • toothy
  • hairy
  • worthless

What is "anhydrohydroxyprogesterone"?

  • a universal hormone
  • a male sex hormone
  • a female sex hormone

About how long did it take one man to pronounce the name of the largest protein?

  • about 30 minutes
  • about 90 minutes
  • over 3 hours

How many letters are there in the word that took over three hours to properly pronounce?

  • nearly 620,000 letters
  • nearly 189,000 letters
  • nearly 34,000 letters

What's special about the word "abstentious"?

  • It uses every vowel only once.
  • It is one of first long words in the dictionary.
  • it is totally made up.

Para-Dimethylaminobenzaldehyde is a chemical that might be used to test what?

  • hair
  • blood
  • urine

What sort of creature is "parastratiosphecomyia sphecomyioides"?

  • fly
  • caterpillar
  • worm

How many letters are there in "supercalifragilisticexpialidocious"?

  • 35
  • 32
  • 30

To what does "hippopotomonstrosesquipedalian" refer?

  • long words
  • the irony of the Hippocratic oath
  • a disease found in hippos

How is "ethylenediaminetetraacetic" abbreviated?

  • EDTC
  • ELTC
  • EDTA

"Hepaticocholangiocholecystenterostomies" refers to what?

  • a surgical procedure
  • a vestigial organ
  • an eye problem

If you suffer from "pseudopseudohypoparathyroidism", you may not have enough of what mineral in your body?

  • aluminum
  • calcium
  • iron

Dichlorodiphenyltrichloroethane is very damaging to what kind of wildlife?

  • fish
  • amphibians
  • birds

How many letters are there in "dichlorodiphenyltrichloroethane"?

  • 27
  • 31
  • 34

Which writer used the word "honorificabilitudinitatibus"?

  • Lord Tennyson
  • William Shakespeare
  • William Blake

How many letters are there in "pseudopseudohypoparathyroidism"?

  • 26
  • 28
  • 30

What does "honorificabilitudinitatibus" mean?

  • loss of virtue
  • honorableness
  • no one knows

What does "aequeosalinocalcalinoceraceoaluminoscupreovitriolic" describe?

  • composition of water
  • composition of sewage
  • composition of lard

How many letters are in "aequeosalinocalcalinoceraceoaluminoscupreovitriolic"?

  • 47
  • 51
  • 58

What's the meaning of "asseocarnisanguineoviscericartilaginonervomedullary"?

  • It references the structure of the human body as a whole.
  • It describes the mating behaviors of Arctic mammals.
  • It doesn't mean anything.

How many letters are there in "asseocarnisanguineoviscericartilaginonervomedullary"?

  • 51
  • 50
  • 49