- (of an angle) less than 90°.
- (of a triangle) containing only acute angles.
Origin of acute
Synonyms for acute
Antonyms for acute
Examples from the Web for superacute
Historical Examples of superacute
He lifted his head suddenly, thinking, in his superacute state of mind, that he had heard a noise.The Plunderer
- (of an angle) less than 90°
- (of a triangle) having all its interior angles less than 90°
- arising suddenly and manifesting intense severity
- of relatively short durationCompare chronic (def. 2)
- (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
Word Origin for acute
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.