Synonyms and related words :
Machiavellian, Machiavellic, absorbing, acanthoid, acanthous, accurate, acicular, acrid, active, acuate, aculeate, aculeiform, acuminate, afflictive, aggravated, aggressive, agonizing, alert, animated, apperceptive, appercipient, arch, argute, artful, astute, atrocious, aware, barbed, biting, brisk, cagey, canny, clamorous, clever, climacteric, cogent, compelling, cornuted, crafty, cramping, creaky, critical, crucial, cruel, crying, cunning, cusped, cuspidate, cute, cutting, dangerous, deceitful, deep, deep-felt, deep-laid, deepgoing, designing, desperate, diplomatic, dire, discerning, discriminating, distressing, double-edged, drastic, dynamic, ear-piercing, edged, energetic, enterprising, enthusiastic, excessive, excruciating, exigent, exorbitant, exquisite, extravagant, extreme, farseeing, farsighted, featheredged, feline, fierce, fine, forceful, forcible, foreseeing, foresighted, forethoughted, forethoughtful, foxy, full of pep, furious, gnawing, go-go, grave, great, griping, guileful, hard, harrowing, harsh, hazardous, heartfelt, hearty, high, high-pressure, high-priority, hispid, homefelt, horned, horny, howling, hurtful, hurting, immoderate, imperative, imperious, impetuous, incisive, indelible, ingenious, insidious, insightful, insistent, instant, intelligent, intemperate, intense, intensified, inventive, keen, keen-edged, keening, kinetic, knifelike, knowing, lively, living, longheaded, longsighted, lusty, menacing, meticulous, mettlesome, mucronate, narrow, needle-pointed, needle-sharp, observant, outrageous, painful, paroxysmal, pawky, peaked, peaky, penetrating, peppy, perceptive, percipient, perilous, perspicacious, perspicuous, pervading, piercing, piping, pivotal, poignant, pointed, politic, precarious, precise, pressing, prickly, probing, profound, pronged, provident, pungent, quick-witted, racking, razor-edged, ready, reedy, resourceful, rigorous, robust, rough, sagacious, scheming, screaky, screeching, screechy, sensitive, serious, serpentine, set, severe, shall, sharp, sharp-pointed, sharp-sighted, sharp-witted, shifty, shooting, shrewd, shrieking, shrieky, shrill, slick, slippery, sly, smacking, smooth, snaky, snappy, sneaky, sophistical, spanking, spasmatic, spasmic, spasmodic, spiculate, spiked, spiky, spined, spinous, spiny, spirited, splitting, squeaking, squeaky, stabbing, stealthy, stinging, strategic, strenuous, strong, subtile, subtle, sudden, supple, tactical, take-charge, take-over, tapered, tapering, thin, threatening, tined, tinny, toothed, tormenting, torturous, tough, treble, trenchant, trickish, tricksy, tricky, two-edged, ululant, unbated, unconscionable, understanding, urgent, vehement, venomous, vibrant, vigorous, violent, virulent, vivacious, vivid, vulpine, wailing, wary, whining, whistling, wily, wise, zestful, zesty, zippy,