A mark placed above a vowel to indicate pronunciation.

synonyms: acute accent, ague.

Polish: akut, akcent silny, akcent ostry

Having or experiencing a rapid onset and short but severe course.

Extremely sharp or severe:
— Acute pain.
— Felt acute annoyance.

synonym: intense.

Having or demonstrating ability to recognize or draw fine distinctions:
— An acute observer of politics and politicians.

synonyms: discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp.

Roget 702: cunning, crafty, artful; skillful etc. 698; subtle, feline, vulpine; cunning as a fox, cunning as a serpent; deep, deep laid; profound; designing, contriving; intriguing etc. v.; strategic, diplomatic, politic, Machiavelian, timeserving^†; artificial; tricky, tricksy^†; wily, sly, slim, insidious, stealthy; underhand etc. (hidden) 528; subdolous^†; deceitful etc. 545; slippery as an eel, evasive etc. 623; crooked; arch, pawky^†, shrewd, acute; sharp, sharp as a tack, sharp as a needle^†; canny, astute, leery, knowing, up to snuff, too clever by half, not to be caught with chaff.    tactful, diplomatic, politic; polite etc. 894.    ... show more

Roget 830: causing pain, hurting etc. v.; hurtful etc. (bad) 649; painful; dolorific^†, dolorous; unpleasant; unpleasing, displeasing; disagreeable, unpalatable, bitter, distasteful; uninviting; unwelcome; undesirable, undesired; obnoxious; unacceptable, unpopular, thankless.    unsatisfactory, untoward, unlucky, uncomfortable.    distressing; afflicting, afflictive; joyless, cheerless, comfortless; dismal, disheartening; depressing, depressive; dreary, melancholy, grievous, piteous; woeful, rueful, mournful, deplorable, pitiable, lamentable; sad, affecting, touching, pathetic.    irritating, provoking, stinging, annoying, aggravating, mortifying, galling; unaccommodating, invidious, vexatious; troublesome, tiresome, irksome, wearisome; plaguing, plaguy^†; awkward.    importunate; teasing, pestering, bothering, harassing, worrying, tormenting, carking.    intolerable, insufferable, insupportable; unbearable, unendurable; past bearing; not to be borne, not to be endured; more than flesh and blood can bear; enough to drive one mad, enough to provoke a saint, enough to make a parson swear, enough to gag a maggot.    shocking, terrific, grim, appalling, crushing; dreadful, fearful, frightful; thrilling, tremendous, dire; heart-breaking, heart-rending, heart-wounding, heart-corroding, heart-sickening; harrowing, rending.    odious, hateful, execrable, repulsive, repellent, abhorrent; horrid, horrible, horrific, horrifying; offensive.    nauseous, nauseating; disgusting, sickening, revolting; nasty; loathsome, loathful^†; fulsome; vile etc. (bad) 649; hideous etc. 846.    sharp, acute, sore, severe, grave, hard, harsh, cruel, biting, caustic; cutting, corroding, consuming, racking, excruciating, searching, grinding, grating, agonizing; envenomed; catheretic^†, pyrotic [Med.].    ruinous, disastrous, calamitous, tragical; desolating, withering; burdensome, onerous, oppressive; cumbrous, cumbersome.    ... show more

Roget 821: feeling etc. v.; sentient; sensuous; sensorial, sensory; emotive, emotional; of feeling, with feeling etc. n.. warm, quick, lively, smart, strong, sharp, acute, cutting, piercing, incisive; keen, keen as a razor; trenchant, pungent, racy, piquant, poignant, caustic.    impressive, deep, profound, indelible; deep felt, home felt, heartfelt; swelling, soul-stirring, deep-mouthed, heart-expanding, electric, thrilling, rapturous, ecstatic.    earnest, wistful, eager, breathless; fervent; fervid; gushing, passionate, warm-hearted, hearty, cordial, sincere, zealous, enthusiastic, glowing, ardent, burning, red-hot, fiery, flaming; boiling over.    pervading, penetrating, absorbing; rabid, raving, feverish, fanatical, hysterical; impetuous etc. (excitable) 825.    impressed with, moved with, touched with, affected with, penetrated with, seized with, imbued with etc. 82; devoured by; wrought up etc. (excited) 824; struck all of a heap; rapt; in a quiver etc. n.; enraptured etc. 829.    ... show more

Roget 498: intelligent [Applied to persons], quick of apprehension, keen, acute, alive, brainy, awake, bright, quick, sharp; quick witted, keen witted, clear witted, sharp-eyed, sharp sighted, sharp witted; wide-awake; canny, shrewd, astute; clear-headed; farsighted etc. 510; discerning, perspicacious, penetrating, piercing; argute^†; quick-witted, nimble-witted, needle-witted; sharp as a needle, sharp as a tack; alive to etc. (cognizant) 490; clever etc. (apt) 698; arch etc. (cunning) 702; pas si bete [Fr.]; acute etc. 682.    wise, sage, sapient, sagacious, reasonable, rational, sound, in one's right mind, sensible, abnormis sapiens [Lat.], judicious, strong-minded.    unprejudiced, unbiased, unbigoted^†, unprepossessed^†; undazzled^†, unperplexed^†; unwarped judgment^†, impartial, equitable, fair.    cool; cool-headed, long-headed, hardheaded, strong-headed; long-sighted, calculating, thoughtful, reflecting; solid, deep, profound.    oracular; heaven-directed, heaven-born.    prudent etc. (cautious) 864; sober, stand, solid; considerate, politic, wise in one's generation; watchful etc. 459; provident etc. (prepared) 673; in advance of one' age; wise as a serpent, wise as Solomon, wise as Solon.    [Applied to actions] wise, sensible, reasonable, judicious; well-thought-out, well-planned, well-judged, well-advised; prudent, politic; expedient etc. 646.    ... show more

Roget 410: creaking etc. v.; stridulous^†, harsh, coarse, hoarse, horrisonous^†, rough, gruff, grum^†, sepulchral, hollow.    sharp, high, acute, shrill; trumpet-toned; piercing, ear-piercing, high-pitched, high-toned; cracked; discordant etc. 414; cacophonous.    ... show more

Roget 375: sensible, sensitive, sensuous; aesthetic, perceptive, sentient; conscious etc. (aware) 490.    acute, sharp, keen, vivid, lively, impressive, thin-skinned.    ... show more

Roget 253: sharp, keen; acute; acicular, aciform^†; aculeated^†, acuminated^†; pointed; tapering; conical, pyramidal; mucronate^†, mucronated^†; spindle shaped, needle shaped; spiked, spiky, ensiform^†, peaked, salient; cusped, cuspidate, cuspidated^†; cornute^†, cornuted^†, cornicultate^†; prickly; spiny, spinous^†, spicular; thorny, bristling, muricated^†, pectinated^†, studded, thistly, briary^†; craggy etc. (rough) 256; snaggy, digitated^†, two-edged, fusiform [Micro.]; dentiform^†, denticulated; toothed; odontoid^†; starlike; stellated^†, stelliform^†; sagittate^†, sagittiform^†; arrowheaded^†; arrowy^†, barbed, spurred.    acinaciform; apiculate^†, apiculated^†; aristate^†, awned, awny^†, bearded, calamiform^†, cone-shaped, coniform^†, crestate^†, echinate^†, gladiate^†; lanceolate^†, lanciform; awl, awl-shaped, lance-shaped, awl-shaped, scimitar-shaped, sword-shaped; setarious^†, spinuliferous^†, subulate^†, tetrahedral, xiphoid^†.    cutting; sharp edged, knife edged; sharp as a razor, keen as a razor; sharp as a needle, sharp as a tack; sharpened etc. v.; set ... show more

Roget 171: strong, energetic, forcible, active; intense, deep-dyed, severe, keen, vivid, sharp, acute, incisive, trenchant, brisk.    rousing, irritation; poignant; virulent, caustic, corrosive, mordant, harsh, stringent; double-edged, double-shotted^†, double-distilled; drastic, escharotic^†; racy etc. (pungent) 392.    potent etc. (powerful) 157; radioactive.    ... show more

Roget 173: violent, vehement; warm; acute, sharp; rough, rude, ungentle, bluff, boisterous, wild; brusque, abrupt, waspish; impetuous; rampant.    turbulent; disorderly; blustering, raging etc. v.; troublous^†, riotous; tumultuary^†, tumultuous; obstreperous, uproarious; extravagant; unmitigated; ravening, inextinguishable, tameless; frenzied etc. (insane) 503.    desperate etc. (rash) 863; infuriate, furious, outrageous, frantic, hysteric, in hysterics.    fiery, flaming, scorching, hot, red-hot, ebullient.    savage, fierce, ferocious, fierce as a tiger.    excited etc. v.; unquelled^†, unquenched, unextinguished^†, unrepressed, unbridled, unruly; headstrong, ungovernable, unappeasable, immitigable, unmitigable^†; uncontrollable, incontrollable^†; insuppressible, irrepressible; orgastic, orgasmatic, orgasmic.    spasmodic, convulsive, explosive; detonating etc. v.; volcanic, meteoric; stormy etc. (wind) 349.    ... show more

Polish: przenikliwy

Of an angle; less than 90 degrees.

Ending in a sharp point.

synonyms: acuate, needlelike, sharp.

Polish: iglasty

Of critical importance and consequence.