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 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.

play peter-sokolowski-indict-graphic
Video: Why is there a 'c' in 'indict'?

 

And who put it there, anyway?

play video drive safe ly
Drive Safe: In Praise of Flat Adverbs

 

You don't have to end all your adverbs in -ly to talk right.

play ismo merriam webster tip
Some Odd Words with ISMO: "People Tipping"

 

Comedian ISMO on the complexities of the word 'tip'

play emily-brewster-with-the-words-effect-affect-on-screen
How to Remember 'Affect' and 'Effect'

 

A simple way to keep them apart. (Most of the time.)

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

 

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

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
crayons-in-a-circle
Guess the Color Quiz Questions that use the whole box of crayons.
See All