Hyperacute

[uh-kyoot] /əˈkyut/

adjective
1.
sharp or severe in effect; intense:
acute sorrow; an acute pain.
2.
extremely great or serious; crucial; critical:
an acute shortage of oil.
3.
(of disease) brief and severe (opposed to ).
4.
sharp or penetrating in intellect, insight, or perception:
an acute observer.
5.
extremely sensitive even to slight details or impressions:
acute eyesight.
6.
sharp at the end; ending in a point.
7.
Geometry.

8.
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 ):
the acute accent; an acute e.
noun
9.
the acute accent.
/əˈkjuːt/
adjective
1.
penetrating in perception or insight
2.
sensitive to details; keen
3.
of extreme importance; crucial
4.
sharp or severe; intense: acute pain, an acute drought
5.
having a sharp end or point
6.
(maths)

7.
(of a disease)

8.
(phonetics)

9.
(of a hospital, hospital bed, or ward) intended to accommodate short-term patients with acute illnesses
noun
10.
an acute accent
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.

acute a·cute (ə-kyōōt’)
adj.

acute
(ə-kyt’)