Adjective sharpened has 2 senses
  1. sharpened - having the point made sharp; "a sharpened pencil"
    Antonyms:
    pointless, unpointed (indirect, via pointed)
  2. sharpened - made sharp or sharper; "a sharpened knife cuts more cleanly"
    Antonym:
    dull (indirect, via sharp)
,Verb sharpen has 8 senses
  1. sharpen - make sharp or sharper; "sharpen the knives"
    --1 is one way to
    change, alter, modify
    Antonyms: dull, blunt
    Derived form: noun sharpener1
    Sample sentences:
    Somebody ----s something
    Something ----s something
  2. sharpen - make sharp or sharper; "We had to sharpen our arguments"
    --2 is one way to
    intensify, compound, heighten, deepen
    Sample sentences:
    Somebody ----s something
    Something ----s something
  3. sharpen - become sharp or sharper; "The debate sharpened"
    --3 is one way to
    intensify, deepen
    Sample sentence:
    Something ----s
  4. focus, focalize, focalise, sharpen - put (an image) into focus; "Please focus the image; we cannot enjoy the movie"
    --4 is one way to adjust, set, correct
    Sample sentences:
    Somebody ----s something
    Something ----s something
    Somebody ----s something PP
  5. sharpen - make (images or sounds) sharp or sharper
    --5 is one way to
    change intensity
    Antonyms: soften
    Sample sentences:
    Somebody ----s something
    Something ----s somebody
    Something ----s something
  6. sharpen - raise the pitch of (musical notes)
    --6 is one way to
    change, alter, modify
    Antonyms: flatten, drop
    Sample sentence:
    Somebody ----s something
  7. sharpen, taper, point - give a point to; "The candles are tapered"
    --7 is one way to change shape, change form, deform
    Sample sentence:
    Somebody ----s something
  8. sharpen, heighten - make (one's senses) more acute; "This drug will sharpen your vision"
    --8 is one way to intensify, compound, heighten, deepen
    Sample sentences:
    Somebody ----s something
    Something ----s something
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