acute

[ uh-kyoot ]

/ əˈkyut /

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adjective

sharp or severe in effect; intense: acute sorrow; an acute pain.

extremely great or serious; crucial; critical: an acute shortage of oil.

(of disease) brief and severe (opposed to chronic).

sharp or penetrating in intellect, insight, or perception: an acute observer.

extremely sensitive even to slight details or impressions: acute eyesight.

sharp at the end; ending in a point.

Geometry.

(of an angle) less than 90°.
(of a triangle) containing only acute angles.

consisting of, indicated by, or bearing the mark ´, placed over vowel symbols in some languages to show that the vowels or the syllables they are in are pronounced in a certain way, as in French that the quality of an e so marked is close; in Hungarian that the vowel is long; in Spanish that the marked syllable bears the word accent; in Ibo that it is pronounced with high tones; or in classical Greek, where the mark originated, that the syllable bears the word accent and is pronounced, according to the ancient grammarians, with raised pitch (opposed to grave): the acute accent; an acute e.

noun

the acute accent.

Nearby words

acupuncture, acupuncturist, acus, acusector, acutance, acuteness, acute abdomen, acute accent, acute adrenocortical insufficiency, acute african sleeping sickness, acute alcoholism

Origin of acute

1560–70; < Latin acūtus sharpened, past participle of acuere (acū-, v. stem, akin to acus needle, ācer sharp + -tus past participle suffix)

SYNONYMS FOR acute

3 sudden, distressing, violent.

4 keen, astute, discerning, perceptive, intelligent, perspicacious; sharp-witted, clever, smart, bright, ingenious, brilliant; knowing, wise, sage, sagacious, sapient.

5 keen.

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ANTONYMS FOR acute

1, 4, 5 dull.

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Related forms

a·cute·ly, adverba·cute·ness, nounhy·per·a·cute, adjectivehy·per·a·cute·ly, adverb

hy·per·a·cute·ness, nounnon·a·cute, adjectivenon·a·cute·ly, adverbnon·a·cute·ness, nouno·ver·a·cute, adjectiveo·ver·a·cute·ly, adverbo·ver·a·cute·ness, nounsu·per·a·cute, adjectivesu·per·a·cute·ly, adverbsu·per·a·cute·ness, noun

Can be confusedacute chronic

Synonym study

4. Acute, penetrating, shrewd imply a keenness of understanding, perception, or insight. Acute suggests particularly a clearness of perception and a realization of related meanings: an acute intellect. Penetrating adds the idea of depth of perception and a realization of implications: a wise and penetrating judgment. Shrewd adds the idea of knowing how to apply practically (or to one's own advantage) what one perceives and understands: wary and shrewd.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for acuteness

She may have seen into her mother's attitude with an acuteness much older than her actual years.
The Golden Scarecrow|Hugh Walpole
We have already had occasion to notice Dr. Macleod's acuteness of intellect.
Western Worthies|J. Stephen Jeans
But the deep earnestness of her enthusiasm blunted the acuteness of her judgment.
Monks, Popes, and their Political Intrigues|John Alberger
The acuteness of the pain in his head set his mind almost wandering.
The Night Riders|Ridgwell Cullum

The acuteness with which these objections are enforced, is remarkable.
Plato and the Other Companions of Sokrates, 3rd ed. Volume III (of 4)|George Grote

British Dictionary definitions for acuteness

acute

/ (əˈkjuːt) /

adjective

penetrating in perception or insight

sensitive to details; keen

of extreme importance; crucial

sharp or severe; intenseacute pain; an acute drought

having a sharp end or point

maths

(of an angle) less than 90°
(of a triangle) having all its interior angles less than 90°

(of a disease)

arising suddenly and manifesting intense severity
of relatively short durationCompare chronic (def. 2)

phonetics

(of a vowel or syllable in some languages with a pitch accent, such as ancient Greek) spoken or sung on a higher musical pitch relative to neighbouring syllables or vowels
of or relating to an accent (´) placed over vowels, denoting that the vowel is pronounced with higher musical pitch (as in ancient Greek), with a certain special quality (as in French), etcCompare (for senses 8a, 8b): grave, circumflex

(of a hospital, hospital bed, or ward) intended to accommodate short-term patients with acute illnesses

noun

an acute accent

Derived Formsacutely, adverbacuteness, noun

Word Origin for acute

C14: from Latin acūtus, past participle of acuere to sharpen, from acus needle

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for acuteness

acute

adj.

late 14c., originally of fevers and diseases, "coming and going quickly" (opposed to a chronic), from Latin acutus "sharp, pointed," figuratively "shrill, penetrating; intelligent, cunning," past participle of acuere "sharpen" (see acuity). Meaning "sharp, irritating" is from early 15c. Meaning "intense" is from 1727. Related: Acutely; acuteness.

Medicine definitions for acuteness

acute

[ ə-kyōōt′ ]

adj.

Pointed at the end; sharp.

Of or relating to a disease or a condition with a rapid onset and a short, severe course.

Of or relating to a patient afflicted with such a disease.

Science definitions for acuteness

acute

[ ə-kyōōt′ ]

Reacting readily to stimuli or impressions, as hearing or eyesight; sensitive.

Relating to an illness that has a rapid onset and follows a short but severe course. Compare chronic.

Having an acute angle.

acute

adjective

noun

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Origin of acute

Synonym study

Examples from the Web for acuteness

British Dictionary definitions for acuteness

acute

adjective

noun

Word Origin for acute

Word Origin and History for acuteness

acute

Medicine definitions for acuteness

acute

adj.

Science definitions for acuteness

acute