1,400 new words in our dictionary! — Parasocial, glow-up, promposal & more
1,400 new words in our dictionary! — More
play backward index mystery
Up Next
Title
CANCEL
backward index mystery
Words Matter

The True Story of the Backward Index

These people needed a computer

There it sits, hidden in plain view on a set of shelves in the basement of the Merriam-Webster offices: the Backward Index. But why would anyone type out 315,000 words spelled in reverse?

Up next

play backward index mystery
The True Story of the Backward Index

 

These people needed a computer

play illustration of a man watching a washing machine overflow
'All over sudden' vs. 'All of a sudden'

 

Figuring it out at once

play ismo merriam webster one
Some Odd Words with ISMO: "The One-derful Won"

 

Comedian ISMO tries to figure out 'one' and 'two'

play contractions
On Contractions of Multiple Words

 

You all would not have guessed some of these

play video title attorney generals
Is It 'Attorney Generals' Or 'Attorneys General'?

 

'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.

play hanger-hangar-illustrations
Is It 'Hanger' or 'Hangar'?

 

How to remember which is which

play video how a word gets into the dicionary
How a Word Gets into the Dictionary

 

What our editors are looking for when they enter words in Merriam-Webster.

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
image of the words cracker fly and sale arranged in a triangle with the word fire in the middle
Triple Play Quiz Find the word that pairs with each of the three g...
See All