keen

B2
US /kin/ UK /kiːn/
adj Freq #4735

Meanings

  1. 1
    adj

    having a sharp cutting edge or point

    a keen blade

  2. 2
    adj

    Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested.

    I’m keen on computers.

  3. 3
    adj

    Fierce, intense, vehement.

    This boy has a keen appetite.

  4. 4
    adj

    Having a fine edge or point; sharp.

    The tongues of mocking wenches are as keen As is the Razors edge, inuisible: […]

  5. 5
    adj

    Acute of mind, having or expressing mental acuteness; penetrating, sharp.

    For when we rage, aduiſe is often ſeene By blunting vs to make our wits more keene.

  6. 6
    adj

    Acrimonious, bitter, piercing.

    keen satire or sarcasm

  7. 7
    adj

    Of cold, wind, etc.: cutting, penetrating, piercing, sharp.

    a keen wind

  8. 8
    adj

    Marvelous.

    I just got this peachy keen new dress.

Etymology

From Middle English kene (“bold, brave, sharp”), from Old English cēne (“keen, fierce, bold, brave, warlike, powerful; learned, clever, wise”), from Proto-Germanic *kōniz (“knowledgeable, skilful, experienced, clever, capable”), from Proto-Indo-European *ǵneh₃- (“to know”). Cognate with Danish køn (“handsome, pretty”), Dutch kien (“smart, wise, able”), koen (“daring, valiant, doughty, courageous”), German kühn (“bold, daring, audacious, hardy, valiant, venturesome”), Icelandic kænn (“wise, crafty, clever, able”), Faroese kønur (“expert (in, on), experienced, skilful, able, capable”), Scots kee…

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Thesaurus

Synonyms
2 adj · often with a prepositional... ardenteagerprompt
4 adj · having a fine edge or... sharp
5 adj · acute of mind, having or... acute
6 adj · acrimonious, bitter, piercing. bitingcuttingpiercing
More intelligentpenetratingshrewd
Word family
Derived forms keen-wittedkeenlykeennesskeenooverkeenunkeen
Related forms keener

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