Sharpen

Verb

 * 1)  To make sharp

Antonyms

 * blunt

Derived terms

 * sharpener

Thesaurus
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

Etymology
sharp + -en

Translations

 * Armenian:
 * Chinese: 削尖
 * Crimean Tatar: qayramaq
 * Czech:
 * Dutch: scherpen, slijpen, aanscherpen
 * French: ,
 * German:


 * Greek: οξύνω (oxýno), (akonízo)
 * Italian: ,
 * Polish:
 * Romanian:
 * Russian: точить, заточить
 * Spanish:
 * Volapük: japükön, tipükön