keen 1 of 3

adjective

ˈkēn How to pronounce keen (audio)
Definition of keennext
1
as in sensitive
able to sense slight impressions or differences pilots with especially keen eyesight

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2
as in biting
causing intense discomfort to one's skin the keen wind gave me chapped lips

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3
as in sharpened
having an edge thin enough to cut or pierce something lanced the boil with a keen scalpel

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4
as in quick
having or showing quickness of mind readers who were keen enough to realize that the writer was being satirical

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5
as in excellent
of the very best kind that new digital camera sure is keen

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6
as in excited
showing urgent desire or interest a keen hunger for fame and fortune in the fashion industry

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7
as in intense
extreme in degree, power, or effect movies gave him keen enjoyment like nothing else

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keen

2 of 3

noun

as in wail
a crying out in grief the loud keens of the widows were heard throughout the war-ravaged city

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keen

3 of 3

verb

1
as in to complain
to express dissatisfaction, pain, or resentment usually tiresomely victims of the disaster have been keening for weeks about the slowness of governmental aid

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2
as in to howl
to make a long loud mournful sound mourners keening for the victims of the bombing

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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
Instead, Farage's main opponent is Count Binface, a political satirist posing as a comic space alien, with a keen interest in earthly matters, including the positioning of a hand dryer in the men's toilet in a pub in west London. — ABC News, 13 Aug. 2026 During college, Cárdenas took a keen interest both in Mexican American student organizations, as well as in documenting the Chicano movement of Mexican American identity through photography. — Bob Goldsborough, Chicago Tribune, 13 Aug. 2026
Noun
The keen-eyed among our readers will notice that the ROG glasses are largely the same inside and out as the Xreal One Pro, which cost $649. — New Atlas, 19 May 2026 The song finds Abstract continuing to explore the contours of indie and alternative rock, with a simmering lo-fi guitar riff that gives way to the uneasy keen of a synth. — Jon Blistein, Rolling Stone, 25 Oct. 2023
Verb
Of course, Plant also used those keening high notes to express an appetite for destruction. — Owen Gleiberman, Variety, 27 Jan. 2025 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 See All Example Sentences for keen
Recent Examples of Synonyms for keen
  1. sensitive
  2. biting
  3. sharp
  4. quick
  5. excellent
  6. excited
  7. intense
  8. wail
Adjective
  • To avoid this sensitive date, pre-orders are now predicted to start on Saturday, September 12th.
    — David Phelan, Forbes.com, 13 Aug. 2026
  • Capricorn December 22 – January 19 A sensitive conversation can support your reputation when handled well.
    — Tarot.com, Hartford Courant, 13 Aug. 2026
Definition of sensitive
Adjective
  • The pacing is more frenetic, the narration more biting, the flashbacks more jarring, and the comedowns much harsher.
    — Hannah Giorgis Yohannes, Vanity Fair, 13 July 2026
  • Described as a biting political thriller in the tradition of Wild in the Streets and V for Vendetta, The Hunted is set in a dystopian America where trans people are brutalized and erased to the margins of society.
    — Glenn Garner, Deadline, 20 June 2026
Definition of biting
Adjective
  • To be fair, like the other QBs, Allen is adjusting to a new scheme; none of the three delivered particularly sharp days.
    — Charlotte Carroll, New York Times, 16 Aug. 2026
  • Meanwhile, Lowry, 61, has kept his mental health sharp through his unwavering faith and consistent workouts.
    — Kyle Newman, Denver Post, 16 Aug. 2026
Definition of sharp
Adjective
  • Staff in the South Stand offices would spend the winter months wearing jackets due to a broken boiler and, according to Bruce, only the players quickest to the dressing-room showers could expect to enjoy hot water after games.
    — Philip Buckingham, New York Times, 14 Aug. 2026
  • This is excellent energy for captions, pitches, texts, brainstorming, flirting, or turning a quick idea into something shareable.
    — Tarot.com, Hartford Courant, 13 Aug. 2026
Definition of quick
Adjective
  • Simashev is excellent defensively and on retrievals and tilts the ice in his favor.
    — Corey Pronman, New York Times, 18 Aug. 2026
  • As far as pop stars who happen to also be thoughtful and excellent songwriters go, Kahan is in the upper ranks.
    — Chris Willman, Variety, 17 Aug. 2026
Definition of excellent
Adjective
  • But the person most excited to play catch with his father, Ron, was Twins manager Derek Shelton, who wasn’t sure his arm would be capable after throwing Buxton batting practice Monday.
    — Dan Hayes, New York Times, 14 Aug. 2026
  • Even still, the filmmaker is excited to let Edinburgh audiences begin probing this surprisingly affecting piece on loss and extraterrestrial life.
    — Lily Ford, HollywoodReporter, 14 Aug. 2026
Definition of excited
Adjective
  • These could include intense earthquake swarms, rapid ground deformation, changing gas emissions, and unusual heat flow.
    — Atharva Gosavi, Interesting Engineering, 12 Aug. 2026
  • Footage aired by local media showed massive flames and fireballs erupting from the tank, with black and orange smoke rising in the sky as firefighters spray what appears to be foam or water in efforts to quench the intense fire.
    — ABC News, ABC News, 11 Aug. 2026
Definition of intense
Noun
  • Mourners beat their chests rhythmically in the intense summer heat, the wails of women cutting through the noise as the body of Ayatollah Ali Khamenei was unveiled beneath a glass case at the Grand Mosalla.
    — Nadeen Ebrahim, CNN Money, 4 July 2026
  • After a second of consideration, Naim slams the grate shut to the monster’s wails, and the audience’s relief.
    — Arushi Jacob, Variety, 19 June 2026
Definition of wail

Phrases Containing keen

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keels (over)
keen
keened
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Cite this Entry

“Keen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keen. Accessed 18 Aug. 2026.

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Nglish: Translation of keen for Spanish Speakers

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