(n.) The quality or condition of being sharp; keenness; acuteness.

Italian hand abruptness absolute zero acerbity acidity acidness acidulousness acridity acridness acrimony acuity acuteness adroitness aggressiveness agility alacrity alertness algidity animality aptitude aptness arguteness art artfulness artifice asperity astringence astringency astuteness atonalism atonality atrocity attention attentiveness barbarity bearishness beastliness bite bitingness bitter pill bitterness bleakness bloodlust bluntness boorishness braininess brashness brightness brilliance briskness brusqueness brusquerie brutality cacophony cageyness callidity canniness causticity causticness cheerlessness chic chill chilliness churlishness clear thinking cleverness clinker clothes-consciousness cold coldness comfortlessness cool coolness coolth corrosiveness coxcombry craft craftiness creakiness crispness crustiness cryogenics cryology cunning cunningness curtness cuttingness dandyism decrease in temperature depression destructiveness dexterity discomfort discord discordance discordancy disharmony dismalness dispatch dissonance dissonancy dissonant chord distress distressfulness dreariness edge elegance esprit expedition expeditiousness extremity facetiousness fierceness fine Italian hand finesse flair flatness foppery foppishness force foxiness freezing point freshness frigidity frostiness funniness furiousness gall gall and wormwood gamesmanship gelidity genius giftedness gifts grief grievousness grip gruffness guile harshness highness humorousness iciness impetuosity incisiveness inclemency ingeniousness inharmoniousness inharmony inhumanity insidiousness intense cold intensity inventiveness jauntiness jocoseness jocularity joking joshing joylessness keen-wittedness keenness lamentability lamentation low temperature malignity mental alertness mercilessness mercurial mind mindlessness mordacity mordancy mournfulness murderousness nastiness native cleverness nattiness neatness nimble mind nimble-wittedness nimbleness nip nippiness nous off note one-upmanship pain painfulness pathos piercingness pipingness piquancy pitiability pitiableness pitifulness pitilessness pleasantry poignancy point promptitude promptness punctuality pungency quick parts quick thinking quick wit quick-wittedness quickness rawness readiness ready wit reediness regrettableness resourcefulness rigor roughness sadness saltiness satanic cunning savagery savvy screechiness severity sharp air sharp-wittedness shiftiness shortness shrewdness shrillness sleekness sleeplessness slipperiness slyness smartness smarts sneakiness sophistry sorrowfulness sour note sourness speediness spiffiness sprightly wit spryness stabbingness stealth stealthiness sting stridence stridency stridor stridulousness stringency subtilty