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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:

Many unusual quantum effects only survive at temperatures close to absolute zero.

From Science Daily ● Oct. 2, 2026

No, it’s not a deep dive into Tomlin’s 19 years as head coach of the Pittsburgh Steelers, a reign that produced a Super Bowl title, zero losing seasons and a 193-114-2 overall record.

From Los Angeles Times ● Oct. 1, 2026

"There are malnourished children and there's zero health education and hygiene at home."

From BBC ● Sep. 30, 2026

Kpler finds Iranian flows near zero following the U.S. blockade.

From The Wall Street Journal ● Sep. 30, 2026

Here in Oregon, I had nothing to do and zero friends.

From "Klawde: Evil Alien Warlord Cat" by Johnny Marciano and Emily Chenoweth

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

Thomas Broughton’s vivid text zeroes in on the last days of the hero Hercules, who returns victorious from war with a string of captives.

From The Wall Street Journal ● Mar. 18, 2026

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

From Science Daily ● Dec. 23, 2025

More cuts are expected as the company zeroes in on “finding additional places we can remove layers, increase ownership, and realize efficiency gains,” Galetti added.

From Barron's ● Oct. 27, 2025

The entire focus of my being zeroes in on that metal tip.

From "How It Went Down" by Kekla Magoon

It took a half-century of extensive research to raise the percentage of zeros they could prove were on that line from 33.3% to 41.6%.

From The Wall Street Journal ● Aug. 15, 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

You could take several zeros off the $200 million Steyer spent on his campaign and it would still be more than most of us make in a lifetime.

From Los Angeles Times ● Jun. 14, 2026

In conventional computing, information is represented by zeros and ones.

From Science Daily ● May 30, 2026

Every letter of the alphabet was assigned a combination of ones and zeros:

From "Book Scavenger" by Jennifer Chambliss Bertman

They zeroed in on Kao’s relationship with Collins.

From Salon ● Sep. 23, 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

Narayan highlighted Ford’s improved margins, but also zeroed in on Ford’s EV losses.

From MarketWatch ● Jul. 29, 2026

Both Alphabet and Tesla reported soaring revenue, but investors instead zeroed in on their AI spending.

From The Wall Street Journal ● Jul. 24, 2026

I zeroed in on the linen cabinet behind her, which reminded me of the day when I got my first period.

From "The Line Tender" by Kate Allen

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

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

From Slate ● Jul. 17, 2026

Spaeny: The great thing about this show is that it’s zeroing in on everyday impossibilities of life, the things that should be so simple, but drive us all up the wall.

From Los Angeles Times ● May 27, 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

“So what fruit was first discovered in 2014?” asked Akimi, zeroing in on that part of the clue.

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




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