|  sharpen 
 
 1. make sharp or sharper (Freq. 1)
 - sharpen the knives
 • Ant:
 dull
 • Derivationally related forms:
 sharpener
 • Hypernyms:
 change, alter, modify
 • Hyponyms:
 strap, edge, strop, whet, hone
 • Verb Frames:
 - Somebody ----s something
 - Something ----s something
 2. make crisp or more crisp and precise (Freq. 1)
 - We had to sharpen our arguments
 • Hypernyms:
 intensify, compound, heighten, deepen
 • Verb Frames:
 - Somebody ----s something
 - Something ----s something
 3. become sharp or sharper (Freq. 1)
 - The debate sharpened
 • Hypernyms:
 intensify, deepen
 • Verb Frames:
 - Something ----s
 4. put (an image) into focus (Freq. 1)
 - Please focus the image;  we cannot enjoy the movie
 • Syn:
 focus, focalize, focalise
 • Ant:
 blur (for: focus)
 • See Also:
 focus on (for: focus)
 • Derivationally related forms:
 focalisation (for: focalise), focalization (for: focalize), focus (for: focus), focusing (for: focus)
 • Hypernyms:
 adjust, set, correct
 • Hyponyms:
 refocus
 • Cause:
 focus, focalize, focalise
 • Verb Frames:
 - Somebody ----s something
 - Something ----s something
 - Somebody ----s something PP
 5. make (images or sounds) sharp or sharper
 • Ant:
 soften
 • Hypernyms:
 change intensity
 • Hyponyms:
 focus
 • Verb Frames:
 - Somebody ----s something
 - Something ----s somebody
 - Something ----s something
 6. raise the pitch of (musical notes)
 • Ant:
 flatten
 • Topics:
 music
 • Hypernyms:
 change, alter, modify
 • Verb Frames:
 - Somebody ----s something
 7. make (one's senses) more acute
 - This drug will sharpen your vision
 • Syn:
 heighten
 • Hypernyms:
 intensify, compound, heighten, deepen
 • Hyponyms:
 subtilize, subtilise
 • Verb Frames:
 - Somebody ----s something
 - Something ----s something
 8. give a point to
 - The candles are tapered
 • Syn:
 taper, point
 • See Also:
 taper off (for: taper)
 • Derivationally related forms:
 point (for: point), taper (for: taper)
 • Hypernyms:
 change shape, change form, deform
 • Hyponyms:
 acuminate
 • Verb Frames:
 - Somebody ----s something
 
 
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