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Keen vs Ensure - What's the difference?

keen | ensure |

As verbs the difference between keen and ensure

is that keen is (rare) to sharpen; to make cold or keen can be to utter a keen while ensure is to make a pledge to (someone); to promise, guarantee (someone of something); to assure.

As an adjective keen

is showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense.

As a noun keen

is a prolonged wail for a deceased person.

keen

English

Etymology 1

From (etyl) . More at (l), (l).

Alternative forms

* keene, kene (archaic)

Adjective

(er)
  • showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense.
  • vehement; fierce; as, a keen appetite.
  • * (rfdate),
    • Of full keen will.
  • * (rfdate), Shakespeare
    • So keen and greedy to confound a man.
  • sharp; having a fine edge or point.
  • * (rfdate) :
    • That my keen knife see not the wound it makes.
  • acute of mind; sharp; penetrating; having or expressing mental acuteness.
  • * (rfdate),
    • To make our wits more keen .
  • * (rfdate),
    • Before the keen inquiry of her thought.
  • bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm.
  • * (rfdate)
    • Good father cardinal, cry thou amen to my keen curses.
  • piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc,; as, a keen wind; the cold is very keen.
  • * (rfdate),
    • Breasts the keen air, and carols as he goes.
  • Enthusiastic
    • I'm keen to learn another language.
    I'm keen on learning another language.
    I'm keen on languages.
    I'm keen about learning languages.
    I'm keen for help.
    ''"Do you want to learn another language?" / "I'm keen ."
  • (US, informal, dated) Marvelous.
    • I just got this peachy keen new dress.
  • (UK) extremely low as to be competitive.
    • keen prices
  • (obsolete) brave, courageous; bold, audacious.
    • Usage notes
    * Keen is often used in the composition of words, most of which are of obvious signification; as, keen-edged, keen-eyed, keen-sighted, keen-witted, etc.
    Synonyms
    * prompt; eager; ardent; sharp; acute; cutting; penetrating; biting; severe; sarcastic; satirical; piercing; shrewd. * See also
    Derived terms
    * keen-witted * keen as mustard * keen on * keenly * keenness

    Verb

    (en verb)
  • (rare) To sharpen; to make cold.
  • * (rfdate), Thomson.
    • Cold winter keens the brightening flood.

    Etymology 2

    From (etyl) .

    Noun

    (en noun)
  • A prolonged wail for a deceased person.
  • * '>citation

    • Verb

    (en verb)
  • To utter a keen.
  • * (rfdate) Stuart Howard-Jones (1904-1974), Hibernia.'' Collected in ''The New Oxford Book of English Light Verse, 1978.
    • Keen —meaning 'brisk'? Nay, here the Language warps:
    'Tis singing bawdy Ballads to a Corpse.
  • To utter with a loud wailing voice or wordless cry.
  • *
  • To mourn.
  • *
    • Related terms
    * keener * keeness

    Anagrams

    * ----

    ensure

    English

    Verb

    (ensur)
  • To make a pledge to (someone); to promise, guarantee (someone of something); to assure.
  • *:
  • *:Thenne he cryed hym mercy and sayd Faire knyght for goddes loue slee me not / and I shall ensure the neuer werre ageynst thy lady / but be alwey toward her / Thenne Bors lete hym be
  • To make sure or certain of something (usually some future event or condition).
  • :
  • *{{quote-magazine, date=2013-08-10, volume=408, issue=8848, magazine=(The Economist), author=Lexington
    • , title= Keeping the mighty honest , passage=British journalists shun complete respectability, feeling a duty to be ready to savage the mighty, or rummage through their bins. Elsewhere in Europe, government contracts and subsidies ensure that press barons will only defy the mighty so far.}}

    Related terms

    * insure * assure * inshore

    Anagrams

    *