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Est. 1828
Grammar & Usage
'Canceled' or 'cancelled'?
One L or two?
'Affect' vs. 'Effect'
How to pick the right one
Using Bullet Points ( • )
Commonly Confused
Usage Notes
Spelling & Pronunciation
Punctuation
Popular
31 Useful Rhetorical Devices
Beyond 'simile' and 'metaphor'
Merriam-Webster’s Great Big List of Words You Love to Hate
All your favorite pet peeves
How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
Be dashing—and do it well
The Difference Between 'i.e.' and 'e.g.'
For example, the different ways to use them
Why is '-ed' sometimes pronounced at the end of a word?
A learned explanation that is not wicked hard
Democracy or Republic: What's the difference?
And which is the United States?
'Lose' or 'loose'?
Keep this somewhere you won't forget it
How to Use Accents and Diacritical Marks
You know, the markings above and below letters.
Commonly Confused
Commonly Confused
'Awhile' vs. 'A While'
There are rules, but who's listening?
Read
Is it 'forty' or 'fourty'?
This is usage
Read
The Difference between 'Race' and 'Ethnicity'
How they differ and overlap
Read
Homophones, Homographs, and Homonyms
The same, but different
Read
See All
7 Pairs of Commonly Confused Words
We promise you're not the only one who has trouble with these words
Usage Notes
See More
Can you end a sentence with a preposition?
Yes, a preposition is something you can end with.
Plural and Possessive Names: A Guide
A guide to plural and possessive names
Is 'data' singular or plural?
Information is power
Singular Nonbinary ‘They’: Is it ‘they are’ or ‘they is’?
Notes on a conjugation
Is Singular 'They' a Better Choice?
The awkward case of 'his or her'
See More
Spelling & Pronunciation
Spelling & Pronunciation
10 Words You See But Don't Hear
How to pronounce 10 words with unpredictable stress and vowel sounds
Read
How to Remember the Spelling of 'Definitely'
A definitive answer.
'A' or 'an'? What about before 'h'? An Indefinite Article Guide
'A historic' night or 'An historic' night?
Read
Absent Letters That Are Heard Anyway
They aren't seen but they are heard
Read
See All
The Many Plurals of 'Octopus'
But which is correct?
Punctuation
See More
Why do we use apostrophes to show possession?
The shifting role of the apostrophe
A Guide to Using Colons
We'll get to semicolons later.
To Use or Not Use the "?" in Requests
"Would you read this, please."
All About Ellipses ...
How to use them … and talk about them
The Serial Comma Explained
Why don't they call it the Merriam-Webster comma?
See More