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Search Result for "sharpen": 
Wordnet 3.0

VERB (8)

1. make sharp or sharper;
- Example: "sharpen the knives"

2. make crisp or more crisp and precise;
- Example: "We had to sharpen our arguments"

3. become sharp or sharper;
- Example: "The debate sharpened"

4. put (an image) into focus;
- Example: "Please focus the image we cannot enjoy the movie";
[syn: focus, focalize, focalise, sharpen]

5. make (images or sounds) sharp or sharper;

6. raise the pitch of (musical notes);

7. give a point to;
- Example: "The candles are tapered"
[syn: sharpen, taper, point]

8. make (one's senses) more acute;
- Example: "This drug will sharpen your vision"
[syn: sharpen, heighten]


The Collaborative International Dictionary of English v.0.48:

Sharpen \Sharp"en\, v. t. [imp. & p. p. Sarpened; p. pr. & vb. n. Sharpening.] [See Sharp, a.] To make sharp. Specifically: (a) To give a keen edge or fine point to; to make sharper; as, to sharpen an ax, or the teeth of a saw. (b) To render more quick or acute in perception; to make more ready or ingenious. [1913 Webster] The air . . . sharpened his visual ray To objects distant far. --Milton. [1913 Webster] He that wrestles with us strengthens our nerves and sharpens our skill. --Burke. [1913 Webster] (c) To make more eager; as, to sharpen men's desires. [1913 Webster] Epicurean cooks Sharpen with cloyless sauce his appetite. --Shak. [1913 Webster] (d) To make more pungent and intense; as, to sharpen a pain or disease. (e) To make biting, sarcastic, or severe. "Sharpen each word." --E. Smith. (f) To render more shrill or piercing. [1913 Webster] Inclosures not only preserve sound, but increase and sharpen it. --Bacon. [1913 Webster] (g) To make more tart or acid; to make sour; as, the rays of the sun sharpen vinegar. (h) (Mus.) To raise, as a sound, by means of a sharp; to apply a sharp to. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Sharpen \Sharp"en\, v. i. To grow or become sharp. [1913 Webster]
WordNet (r) 3.0 (2006):

sharpen v 1: make sharp or sharper; "sharpen the knives" [ant: blunt, dull] 2: make crisp or more crisp and precise; "We had to sharpen our arguments" 3: become sharp or sharper; "The debate sharpened" 4: put (an image) into focus; "Please focus the image; we cannot enjoy the movie" [syn: focus, focalize, focalise, sharpen] [ant: blear, blur] 5: make (images or sounds) sharp or sharper [ant: soften] 6: raise the pitch of (musical notes) [ant: drop, flatten] 7: give a point to; "The candles are tapered" [syn: sharpen, taper, point] 8: make (one's senses) more acute; "This drug will sharpen your vision" [syn: sharpen, heighten]
Moby Thesaurus II by Grady Ward, 1.0:

94 Moby Thesaurus words for "sharpen": accelerate, aculeate, acuminate, agent provocateur, aggravate, amplify, animate, annoy, augment, barb, beef up, blow up, build up, complicate, concentrate, condense, consolidate, cultivate, cuspidate, deepen, deteriorate, double, dress, edge, embitter, enhance, enlarge, enliven, exacerbate, exaggerate, exasperate, excite, exhilarate, file, fillip, galvanize, grind, heat up, heighten, hone, hop up, hot up, increase, infuse life into, instrument, intensify, invigorate, irritate, jazz up, key up, machine, magnify, make acute, make complex, make sensitive, make worse, mechanize, mill, motorize, oilstone, pick up, pique, point, provoke, quicken, ramify, redouble, refine, reinforce, renew, reset, resuscitate, retool, revive, sensibilize, sensitize, set, sharp, soup up, sour, spiculate, spur, step up, stimulate, stir, strap, strengthen, stroke, strop, taper, tool, triple, whet, worsen