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Definitions

key

[kee] / ki /


NOUN
item that unlocks
Synonyms
Antonyms




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.

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A key factor in this episode of the tariff war is the volume of household items that have been specifically targeted as opposed to raw materials.

From BBC Aug. 29, 2026

The University of Southampton-led team says it found a key problem in the way the earlier study estimated the ages of the exploding stars.

From Science Daily Aug. 29, 2026

At an army base in the Nepali town of Bidur, a key rescue hub, relatives crowded around lists of rescued people pasted on a wall.

From Barron's Aug. 29, 2026

About 69% of stocks in the S&P 500 were trading above that key level at the market’s close on Friday, according to Dow Jones Market Data.

From MarketWatch Aug. 29, 2026

“You carry more than one key, do you not?”

From "The Way to Rio Luna" by Zoraida Cordova

"We have things in the same place, so the bags are always in the same location, the keys, and that makes the morning smoother. There's no panic about where everything's going to be."

From BBC Aug. 30, 2026

He was found kneeling in front of a piano and striking the keys, in apparent distress.

From Los Angeles Times Aug. 29, 2026

AI testing and development platform Hugging Face was the biggest source of leaked AWS keys, Truffle said.

From The Wall Street Journal Aug. 24, 2026

That finding may help explain a familiar experience: looking repeatedly for something, such as a pair of keys, only to realize it was visible the entire time.

From Science Daily Aug. 18, 2026

This quest had brought their group together, and they were so close to the final two keys.

From "The Way to Rio Luna" by Zoraida Cordova

Health officials have keyed in on iceberg lettuce as a potential source.

From MarketWatch Aug. 18, 2026

The emotional tone of each vocal performance is beautifully keyed to each song’s context.

From Salon Jul. 14, 2026

The Braves broke the 1-1 tie with three runs in the seventh inning, keyed by a two-run single from James Clark.

From Los Angeles Times Apr. 3, 2026

Among them are working drawings that prescribe the profile of every block of stone, each keyed to its exact place in the building, whether gable, tracery or buttress.

From The Wall Street Journal Feb. 18, 2026

For one thing, astronauts usually find they are too keyed up by the events of launch day to really relax the first night.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins

In an interview with Axios published Sunday, Trump said “We are low keying it” with Iran.

From MarketWatch Aug. 9, 2026

Blindfolded, I felt Theatre Obscura was mostly playing off our fears rather than giving in to them, largely keying in on our anticipation that something may happen to us when stripped of sight.

From Los Angeles Times Mar. 26, 2026

“When the market is keying off fundamentals, around earnings season of these companies, these stocks rally,” Slimmon said.

From The Wall Street Journal Dec. 18, 2025

In the nearby city of San José, a man was arrested March 17 for allegedly keying a Tesla parked in a Costco lot.

From Los Angeles Times Apr. 1, 2025

After a moment of keying the name into the computer, he shook his head.

From "Night Owls" by A.R. Vishny




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