SINCE 1828

An Encyclopædia Britannica Company

fac

abbreviation

Definition of fac

1 facsimile

2 faculty

FAC

abbreviation

Definition of FAC

forward air controller

Seen and Heard

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WORD OF THE DAY

shofar

play

a ram's-horn trumpet used in Judaism

BROWSE DICTIONARY

faburden

FAC

fac

facade

face

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

Which of the following is a new sense of the word bunny?

Can you spell these 10 commonly misspelled words?

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Test Your Knowledge - and learn some interesting things along the way.

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Words at Play

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Let's Talk 'Tea'

Spill it, sip it: just make it hot.

8 Words and Phrases from Boxing and Wrestling

Common terms that come from boxing and wrestling

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The Ambiguity of Pushing 'Up' and 'Back'

When you push a meeting, where does it go?

Silent Letters

When each letter can be seen but not heard

Ask the Editors

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Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless

Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals

Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

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Merriam-Webster's New Words Quiz—Fall 2017 Edition!

You're going to have to memorize the dictionary again.

Take the quiz

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Challenging Vocabulary Quiz Returns!

No tricks, just difficult words.

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Spell It

Can you spell these 10 commonly misspelled words?

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Bee Cubed

Listen to the words and spell through all three levels.

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