sharp; or an angle measuring between 0 and 90 degrees
…shown as big as a Martos chickpea; the tail, or skirt, or whatever it might be called, ended in three points which were borne up by the hands of three pages, likewise dressed in mourning, forming an elegant geometrical figure with the three acute angles made by the three points, from which all who saw the peaked skirt concluded that it must be because of it the countess was called Trifaldi, as though it were Countess of the Three Skirts; and Benengeli says it was so, and that by her…
There are no more uses of "acute angle" identified with this meaning, but check unspecified meaning below.
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Roofs at acute angles are common in snow country.
Those who are farsighted have an increased risk of acute angle-closure glaucoma because of narrow angles caused by shallow anterior chambers.
But as Don Quixote’s sense of smell was as acute as his hearing, and as Sancho was so closely linked with him that the fumes rose almost in a straight line, it could not be but that some should reach his nose, and as soon as they did he came to its relief by compressing it between his fingers, saying in a rather snuffing tone, "Sancho, it strikes me thou art in great fear."
CAPRICHOSO, A MOST ACUTE ACADEMICIAN OF ARGAMASILLA, IN PRAISE OF ROCINANTE, STEED OF DON QUIXOTE OF LA MANCHA SONNET On that proud throne of diamantine sheen, Which the blood-reeking feet of Mars degrade, The mad Manchegan’s banner now hath been By him in all its bravery displayed.
Every now and then Sancho gave vent to deep sighs and dismal groans, and on Don Quixote asking him what caused such acute suffering, he replied that, from the end of his back-bone up to the nape of his neck, he was so sore that it nearly drove him out of his senses.
To this Sancho made answer, "Indeed those gentlemen the judges that send you to me might have spared themselves the trouble, for I have more of the obtuse than the acute in me; but repeat the case over again, so that I may understand it, and then perhaps I may be able to hit the point."
For another thing; I would have your graces understand that Sancho Panza is one of the drollest squires that ever served knight-errant; sometimes there is a simplicity about him so acute that it is an amusement to try and make out whether he is simple or sharp; he has mischievous tricks that stamp him rogue, and blundering ways that prove him a booby; he doubts everything and believes everything; when I fancy he is on the point of coming down headlong from sheer stupidity, he comes out…
For they are still in doubt and perplexity; and having heard of your worship’s acute and exalted intellect, they have sent me to entreat your worship on their behalf to give your opinion on this very intricate and puzzling case."
The she-ass, however, feeling the point more acutely than usual, began cutting such capers, that it flung the lady Dulcinea to the ground; seeing which, Don Quixote ran to raise her up, and Sancho to fix and girth the pack-saddle, which also had slipped under the ass’s belly.
There are no more uses of "acute" in the book.
To see samples from other sources, click a word sense below: as in: acute pain
sharp (a severely negative event) -- often with a rapid onset