SINCE 1828

An Encyclopædia Britannica Company

fuck up

verb

Definition of fuck up

intransitive verb

usually vulgar :to act foolishly or stupidly :blunder

transitive verb

usually vulgar :to ruin or spoil especially through stupidity or carelessness :bungle

—

fuckup

play \ˈfək-ˌəp\ noun, usually vulgar

WORD OF THE DAY

holus-bolus

play

all at once

Words at Play

Silent Letters

When each letter can be seen but not heard

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'So Long': A Common But Mysterious Goodbye

Its origins are surprisingly murky.

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"Immune to" or "Immune from"?

Nobody is immune to this question.

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What's Going On With 'Nonplussed'?

Its recent usage is hard to shrug off.

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'

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Irregardless

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

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Weird Plurals

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

Word Games

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Challenging Vocabulary Quiz Returns!

No tricks, just difficult words.

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Name that Color!

NEW! Additional colors! More obscure than before!

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Name That Thing

Test your visual vocabulary with our 10-question challenge!

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Word Winder's CrossWinder

Word Winder's CrossWinder

A game of winding words.

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