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Definitions

zero

[zeer-oh] / ˈzɪər oʊ /


Frequently Asked Questions

What is another word for zero?
In math and more generally, something that has the value of zero can be described as null, as in null set and The value is null.  The word cipher was once used as another name for zero. Sometimes, the term goose egg is used as an informal way to refer to zero, especially in the context of a score, as in I scored a big ol’ goose egg on that round. Zero is commonly used in a general way to mean none or nothing. Synonyms for this sense of the word include nil, naught, nought, and aught. Sometimes the word no can be used to mean the same thing as zero, as in We lowered the price but we had no offers—and I mean zero offers.  More informal synonyms for zero in the sense of nothing include zip, zippo, zilch, nada (the Spanish word for “nothing”), diddly, and diddly-squat. The word zero can also be used as a verb meaning “to reduce to zero.” The verb phrase zero out is more commonly used, as in Zero out these totals.  Sometimes, the word zero is used to refer to a person considered completely insignificant, as in They went from zeroes to heroes. Similar words include nobody and loser, but calling someone (or yourself) any of these names is never a nice thing to say.
Where does zero come from?
The concept of zero is ancient, with recorded use dating back to ancient Mesopotamia. The word zero has been used in English since at least the 16th century. It comes from Italian, from the Medieval Latin word ​​zephirum, from the Arabic sifr, meaning “empty” or “zero.” The word cipher comes from this same Arabic root, which is a translation of the Sanskrit word śūnyā, meaning “empty.”
How do you use zero in a sentence?
Zero can be used as a noun, an adjective, and even a verb. Here are some examples of zero in a sentence:
  • Four minus four is zero. 
  • The temperature is expected to drop below zero.
  • If we don’t play, the chance of us winning is zero.
  • The school had a zero tolerance policy on bullying.
  • Please zero these columns by removing all the values.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Returns for private-equity funds have dropped below 10% in recent years from around 15% when interest rates were nearly zero, PitchBook data show.

From The Wall Street Journal ● Oct. 27, 2026

When the financial conditions index rises toward zero, conditions are tightening; when it falls further below zero, or becomes more negative, they are easing.

From MarketWatch ● Oct. 25, 2026

General manager Les Snead is also culpable for this mess of a season, trading for Myles Garrett, who has done absolutely zero for this team.

From Los Angeles Times ● Oct. 24, 2026

She said the decision was "compatible" with legally binding climate commitments, adding: "We remain resolute in ending new licences for oil and gas and achieving net zero by 2050."

From BBC ● Oct. 23, 2026

A gong sounded when the timer hit zero.

From "Mr. Lemoncello's Library Olympics" by Chris Grabenstein

Users go to AI bots for everything from recipes to life and relationship advice, even forming one-sided platonic or romantic relationships with the ones and zeroes that make up this digital ether behind a screen.

From Salon ● Jun. 28, 2026

Ten duotrigintillion—1 followed by 100 zeroes, or 10100—is equal to one googol.

From The Wall Street Journal ● May 29, 2026

Coco Gauff dropped a set for the second match in a row before clawing her way into a third consecutive Australian Open quarter-final on Sunday as she zeroes in on a maiden Melbourne title.

From Barron's ● Jan. 25, 2026

Conventional computers operate using bits -- streams of electrical or optical pulses that represent ones or zeroes.

From Science Daily ● Dec. 23, 2025

He zeroes straight in on our joined hands.

From "The Hate U Give" by Angie Thomas

This Zuckerberg is no longer made of flesh and blood but ones and zeros.

From Los Angeles Times ● Oct. 9, 2026

“They emphasized that we wanted zeros in our reports,” Peggy Dixon wrote in a 97-page affidavit about her work.

From The Wall Street Journal ● Sep. 23, 2026

Now Wall Street zeros in on rate hike in September.

From MarketWatch ● Jul. 30, 2026

If you’re not, you’ve got to use money, which is hard to get, whereas you get shares by typing zeros into a spreadsheet.

From Salon ● Jun. 22, 2026

And an infinite sum of zeros can equal anything at all—and everything at the same time.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

Analysts have zeroed in on the platform’s rapidly growing prediction-market business following this summer’s World Cup and the start of the NFL season.

From MarketWatch ● Oct. 27, 2026

The night before, Teoscar Hernández had zeroed in on the Dodgers’ at-bats with runners in scoring position in his postgame comments.

From Los Angeles Times ● Oct. 13, 2026

From Washington, D.C., to Rhode Island to Oregon, federal judges nominated by presidents from both parties, including Donald Trump, have zeroed in on what’s called “the presumption of regularity.”

From Salon ● Jul. 30, 2026

It’s all zeroed out because everything is complimentary.

From The Wall Street Journal ● Jul. 15, 2026

Slowly he zeroed in on what he most wanted to know: “Why do you row?”

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

These strange laws of existence provide the framework for Ullom’s excellent social observations, zeroing in on each character’s relationship to this new world and comparing it to the old one.

From Salon ● Aug. 24, 2026

Kraft Heinz, the condiment giant, is zeroing in not just on GLP-1 users but also others in their households, whom executives refer to as “GLP-1 adjacent.”

From The Wall Street Journal ● Aug. 19, 2026

But public health officials finally appear to be zeroing in on what’s causing it.

From Slate ● Jul. 17, 2026

Investigators initially treated the death as an accident, but prosecutors reopened the investigation in October 2025, zeroing in on Jonathan Andic.

From Barron's ● May 26, 2026

I was afraid we’d run into Mrs. Singer, but then I thought she just had this certain thing for zeroing in on me, so Joey was like a protective charm against her.

From "Winger" by Andrew Smith


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