SINCE 1828

An Encyclopædia Britannica Company

certainly not

Definition of certainly not

:not at all

"Did I offend you?" "Oh, certainly not."

Word by Word Definitions

certainly play

: in a manner that is certain : with certainty
: it is certain that : assuredly

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Seen and Heard

What made you want to look up certainly not? Please tell us where you read or heard it (including the quote, if possible).

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WORD OF THE DAY

knee-jerk

play

readily predictable

Words at Play

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The Synonyms 'Discover' and 'Invent'

In the past, you could invent fruit.

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I'll Have the Us(ual)

Shortening 'usual': easy to say, hard to spell

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The Origins of 'Lobbyist'

From the front hallways to the back rooms

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The History of the Word 'Terrorism'

Noah Webster first entered the term in 1840

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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The Exceptions Quiz III

Which of these things doesn't belong?

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Forms of Government Quiz

Name that government! Or something like that.

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Spell It

Can you spell these 10 commonly misspelled words?

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Word Winder's CrossWinder

Word Winder's CrossWinder

A game of winding words.

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