characterized by strength & distinctness of perception; extremely sensitive sầu or responsive: keen eyes; keen ears.

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eager; interested; enthusiastic (often followed by about, on, etc., or an infinitive): She is really keen on going swimming.
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First recorded before 900; 1930–35 for def. 8; Middle English kene, Old English cēne; cognate with German kühn, Old High German chuoni “bold,” Old Norse kœnn “wise, skillful”
keelless, keel over, keelson, Keelung, keel vessel, keen, Keene, keener, Keene's cement, keening, keenly

Keen commonly means eager, interested, or enthusiastic. This sense of the word is often followed by about or on & the particular interest, as in He’s very keen on music. 

More generally, keen means sharp, intense, or strong. It can be used to mean sharp in a literal way, as in a keen blade. It can also be used in several figurative sầu ways. A keen sense of smell is one that’s very svào và perceptive. A keen intellect is one that’s sharp in the sense of being mentally strong. A keen desire is an intense one. A keen satire & a keen wind are both piercing & biting—they both sting.

The word keen can also be used as a slang term meaning wonderful or splendid, & this is how it’s used in the phrase peachy keen, which is used as an informal và playful way khổng lồ describe something as excellent or wonderful.

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Example: He showed keen jealousy over my keen knife.

Where does keen come from?

The first records of the word keen in English come from before 900. It comes from the Old English word cēne & is related to lớn the Old Norse kœnn, meaning “wise, skillful.” Keen wasn’t used in a slang way lớn mean “excellent” until the 1900s.

Keen can be used in a number of different ways, but most of them involve sầu enthusiasm, intensity, or (literal or figurative) sharpness. When keen is used to describe something sharp—like a knife or a mind—its opposite can be dull in either sense of the word. If you’re keen khổng lồ vày something, it means you’re excited about it—you can’t wait. If you’re not keen on something, it means you’re not interested in it or enthusiastic about it.

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What are some other forms related to lớn keen?

keenly (adverb)keenness (noun)

What are some synonyms for keen?

What are some words that nội dung a root or word element with keen

What are some words that often get used in discussing keen?

How is keen used in real life?

Keen can be used in many different contexts. It’s more commonly used in the U.K. than the U.S.

Poll: Nashville generally supports incentives, not as keen on Music City Centerường

— Tennessean (
Tennessean) October 18, 2015

Turkey Vultures are carrion feeders which keep the countryside clean — they have sầu a keen sense of smell và can locate remains from a mile away.#WildNebraska

— Nebraska trò chơi & Parks (
NEGameandParks) March 13, 2020

Scientists have learned a lot from Yellowstone wolves over the past 25 years. For instance, they aren’t so keen on the term “alphas” khổng lồ describe a pack’s dominant pair anymore. A more appropriate term might be leaders or parents.

— Wolf Conservation Center (
nywolforg) August 31, 2020

Try using keen!

Which of the following things could be described as keen?

A. a sharp bladeB. a strong sense of hearingC. an enthusiastic personD. all of the above

Words related to lớn keen

impatient, avid, fierce, fervent, anxious, eager, ardent, intense, acute, svào, wise, shrewd, discriminating, sensitive sầu, quiông chồng, sharp, astute, devoted, alert, spirited

How lớn use keen in a sentence

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British definitions for keen (1 of 2)