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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:

‘There is zero transparency’: My friend’s sister controls their mother’s estate.

From MarketWatch Aug. 6, 2026

On a scale ranging from zero to eight, the average nightmare burden dropped by 3.7 points among participants taking Dronabinol.

From Science Daily Aug. 6, 2026

Previously, this accounted for how companies created social value through measures such as equality and diversity, net zero and the post-Covid recovery.

From BBC Aug. 5, 2026

It’s that today’s audiences have zero stomach for happy endings about horrible wrongs.

From Los Angeles Times Aug. 4, 2026

Before my life went from zero to crap in a week.

From "Liar, Liar" by Gary Paulsen

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 little superscript number signifies the number of zeroes following the larger principal number.

From "A Short History of Nearly Everything" by Bill Bryson

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

It is an investment with "a whole bunch of zeros behind the dollars", he says - and one pharmaceutical companies so far have not seen as being profitable.

From BBC May 22, 2026

Every operation -- such as applying a quantum gate -- influences more than 2 quadrillion complex numerical values, a "2" with 15 zeros.

From Science Daily May 11, 2026

“We’ll just keep adding zeros to these dead cap players, and see how high they can go,” Leeds explained.

From MarketWatch Mar. 9, 2026

Kepler, at least, wasn’t afraid of a glaring problem: as Δx goes to zero, the sum becomes equivalent to adding an infinite number of zeros together—a result that makes no sense.

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

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

Regulators zeroed in on three potential areas of concern.

From Los Angeles Times Jun. 12, 2026

As he zeroed in on BP’s expense ledger, he identified areas that many inside the company, and some on the board, said they saw as important to the corporate culture.

From The Wall Street Journal May 29, 2026

A progress meter appeared on my display, showing that my hard drive was now being zeroed out and wiped clean.

From "Ready Player One: A Novel" by Ernest Cline

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

From Slate Jul. 17, 2026

“This could create serious consequences, including a potential zeroing out of the state’s support for critical emission reduction programs,” said Phillip Fine, executive officer at the Bay Area Air District.

From Los Angeles Times May 30, 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

That’s why we’re zeroing in on a handful of stocks.

From Barron's Apr. 13, 2026

Finn blinked at the boy in front of him, his eyes zeroing in on that famous Rude underbite.

From "Bone Gap" by Laura Ruby




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