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acute

[uh-kyoot]

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SEE MORE SYNONYMS FOR acute ON THESAURUS.COM

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.

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)

Related formsa·cute·ly, adverba·cute·ness, nounhy·per·a·cute, adjectivehy·per·a·cute·ly, adverbhy·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

Synonyms for acute

SEE MORE SYNONYMS FOR acute ON THESAURUS.COM

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.

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.

Antonyms for acute

1, 4, 5. dull.

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

Related Words for acuteness

fierceness, forcefulness, severity, keenness, intelligence, cleverness, astuteness, acumen

Examples from the Web for acuteness

Historical Examples of acuteness

I leave time and method of explanation to your own judgment and acuteness.
Alice, or The Mysteries, Complete
Edward Bulwer-Lytton
The acuteness of the pain in his head set his mind almost wandering.
The Night Riders
Ridgwell Cullum
You are very unjust to both of us if you imply that I have not a high opinion of your acuteness.
Tony Butler
Charles James Lever
Men like the problem that they fancy they have unravelled by their own acuteness.
The Bramleighs Of Bishop's Folly
Charles James Lever
Now that I look back I am more than ever impressed by Stroeve's acuteness.
The Moon and Sixpence
W. Somerset Maugham

British Dictionary definitions for acuteness

acute

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.

Online Etymology Dictionary, © 2010 Douglas Harper

acuteness in Medicine

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.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

acuteness in Science

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.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.