keen 1 of 3

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as in quick
having or showing quickness of mind readers who were keen enough to realize that the writer was being satirical

Synonyms & Similar Words

Antonyms & Near Antonyms

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keen

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noun

keen

3 of 3

verb

Synonym Chooser

How does the adjective keen contrast with its synonyms?

The words acute and sharp are common synonyms of keen. While all three words mean "having or showing alert competence and clear understanding," keen suggests quickness, enthusiasm, and a penetrating mind.

a keen observer of the political scene

In what contexts can acute take the place of keen?

The meanings of acute and keen largely overlap; however, acute implies a power to penetrate and may suggest subtlety and sharpness of discrimination.

an acute sense of style

When would sharp be a good substitute for keen?

While the synonyms sharp and keen are close in meaning, sharp implies quick perception, clever resourcefulness, or sometimes questionable trickiness.

sharp enough to spot a confidence game

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of keen
Adjective
Netanyahu-Trump meeting stokes ceasefire hopes Trump is keen to achieve a peace deal in Gaza, and Netanyahu is in a strong position domestically after attacks on Iran severely weakened Israel’s regional rival. semafor.com, 8 July 2025 The South Carolina Republican Party has slammed Newsom's tour through the state as opportunistic, framing his record as governor as one that voters in South Carolina are keen to avoid. Oren Oppenheim, ABC News, 8 July 2025
Noun
For those keen to explore the country deeper and differently, Vinho Verde awaits. Nicole Kliest, Vogue, 25 Jan. 2023 For those keen on camping, this portable, self-inflating tent is designed to be water- and weather-resistant. Rachel Rothman, Good Housekeeping, 9 Jan. 2023
Verb
He’s been lauded for sounding like a vestige of another age — his supple, keening tenor the result of years of apprenticeship to the Pakistani artists Ustad Saami and Farida Khanum. Emily Lordi Philip Cheung, New York Times, 10 May 2024 The score’s main theme feels, above all, like a progression—a steady movement from melody to dissonance, from keening violins to ominous cellos, from pastoral splendor to something more sinister and unresolved. Justin Chang, The New Yorker, 3 May 2024 See All Example Sentences for keen
Recent Examples of Synonyms for keen
Adjective
  • The thundering crackles and sharp bangs of pyrotechnics can not only frighten dogs but also cause discomfort to their sensitive ears.
    Logan Holland, People.com, 4 July 2025
  • This usually involves receiving a fake text, email or even a phone call designed to trick you into clicking a malicious link or sharing sensitive information.
    Kurt Knutsson, FOXNews.com, 4 July 2025
Adjective
  • There is a place to scamper inside to escape the biting winds at Nordkapp — a visitor center with a coffee shop, theater, small museum and continental Europe’s northernmost post office.
    Dan Fellner, AZCentral.com, 6 July 2025
  • Share the research from 30 years ago that concludes these devices do not significantly reduce mosquito or biting insect populations.
    Markis Hill, Kansas City Star, 4 July 2025
Adjective
  • Chicago police and City Hall officials were quick to note that the shooting was targeted and the victims didn’t live in the neighborhood.
    Sam Charles, Chicago Tribune, 9 July 2025
  • And 3) The other social media platforms have been quick to allow the swap.
    Tony Maglio, HollywoodReporter, 9 July 2025
Adjective
  • This Dyson model is lightweight and has powerful suction and motorized tools that are excellent for getting hair out of carpets and upholstery.
    BestReviews, Chicago Tribune, 11 July 2025
  • There is not a lot of room, but the midfielder is excellent at operating in tight spaces.
    Jay Harris, New York Times, 11 July 2025
Adjective
  • Why some tattoo artists push back against AI tattoo machines Of course, not everyone is excited about this change.
    Kurt Knutsson, FOXNews.com, 14 July 2025
  • The actress, 32, spoke with PEOPLE on the red carpet at the Los Angeles premiere of her new film Smurfs and shared that her kids — son Kingston, 4, and daughter Jackson, 2 — are going to be very excited to see their mom on the big screen.
    Hannah Sacks, People.com, 14 July 2025
Adjective
  • Early Friday morning, intense rain caused flash flooding across Texas Hill Country.
    Rebecca Angel Baer, Southern Living, 6 July 2025
  • There were several safety cars during the race, along with changing conditions with periods of intense rain followed by a drying track.
    Nelson Espinal, MSNBC Newsweek, 6 July 2025
Noun
  • Thousands of cell phone lights and ear-piercing wails accompanied it.
    Kirsten Fiscus, The Tennessean, 2 July 2025
  • So, Nan is nowhere near over Guy, and making things more awkward, Theo can hear his wife’s wails on the other side of the door.
    Maggie Fremont, Vulture, 25 June 2025
Verb
  • A number of Tesla shareholders, including some Democrats who oversee the investment of public sector pension fund money in Tesla stock, complained in May to Tesla Board Chair Robyn Denholm that Musk’s other activities are hurting the company.
    Chris Isidore, CNN Money, 14 July 2025
  • Essentially, the legislation does away with a process that some have complained can be time-consuming and expensive—at least in some cases.
    Giulia Carbonaro, MSNBC Newsweek, 13 July 2025

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Cite this Entry

“Keen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keen. Accessed 19 Jul. 2025.

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